[Bug target/85492] New: riscv64: endless when throwing an exception from a constructor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85492 Bug ID: 85492 Summary: riscv64: endless when throwing an exception from a constructor Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: aurelien at aurel32 dot net Target Milestone: --- Created attachment 44002 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44002&action=edit test case The attached C++ code, extracted from googletest, tries to throw an exception from a constructor. On riscv64, the processes goes into an endless loop using 100% of the CPU instead. This is reproducible even at -O0, with GCC 7.3.0 and GCC 8 snapshot from 20180414, under both QEMU and real hardware (SiFive Unleashed).
[Bug driver/85493] New: decltype can use deleted constructor in template function
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85493
Bug ID: 85493
Summary: decltype can use deleted constructor in template
function
Product: gcc
Version: 7.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: driver
Assignee: unassigned at gcc dot gnu.org
Reporter: ihorelo at mail dot ru
Target Milestone: ---
decltype can use deleted constructor in template function
struct no_def
{
no_def() = delete;
};
template
void test()
{
decltype(no_def()) a{}; // error in Clang and MSVC, no error in GCC
a = a; // get rid of warning
}
int main()
{
test();
}
Please check
https://stackoverflow.com/questions/49965849/decltype-with-deleted-constructor-is-possible-in-template-function
[Bug driver/85493] decltype can use deleted constructor and deleted function in template function
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85493
Ihor Rudynskyi changed:
What|Removed |Added
Summary|decltype can use deleted|decltype can use deleted
|constructor in template |constructor and deleted
|function|function in template
||function
--- Comment #1 from Ihor Rudynskyi ---
also doesn`t work with deleted template function
template
int foo() = delete;
template
void test()
{
decltype(foo()) a{};
}
int main()
{
test<>();
}(In reply to Ihor Rudynskyi from comment #0)
> decltype can use deleted constructor in template function
>
> struct no_def
> {
> no_def() = delete;
> };
>
> template
> void test()
> {
> decltype(no_def()) a{}; // error in Clang and MSVC, no error in GCC
> a = a; // get rid of warning
> }
>
> int main()
> {
> test();
> }
>
>
> Please check
> https://stackoverflow.com/questions/49965849/decltype-with-deleted-
> constructor-is-possible-in-template-function
[Bug libstdc++/85494] New: implementation of random_device on mingw is useless
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85494 Bug ID: 85494 Summary: implementation of random_device on mingw is useless Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: ookawa_mi at yahoo dot co.jp Target Milestone: --- In mingw environment, std::random_device uses mt19937 with fixed seed. As the main purpose of random_device is seed of mt19937, it is inappropriate. Please replace to REAL random number generator by rand_s or CryptoAPI.
[Bug target/85485] Remove -mcet
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85485 H.J. Lu changed: What|Removed |Added Target Milestone|--- |8.0 --- Comment #3 from H.J. Lu --- A set of patches is posted at https://gcc.gnu.org/ml/gcc-patches/2018-04/msg01033.html
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[Bug fortran/58750] Wrong code with realloc on assignment and array constructors with numeric type conversion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58750 --- Comment #17 from Adam Hirst --- I'm afraid to say that this issue is, in fact, not solved. [235 7 11 ] 5 [0 ] 1 Replacing "0" with "0_i8" in the implied do loop, as before, gives the correct output: [235 7 11 ] 5 [000 00 ] 5 This occurs for me regardless of the compilation flags set. Perhaps this was indeed fixed before; if so, this would be a regression since then. [adam@shimmer ~]$ gcc -v Using built-in specs. COLLECT_GCC=/usr/bin/gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/7.3.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp Thread model: posix gcc version 7.3.1 20180312 (GCC)
[Bug fortran/58750] Wrong code with realloc on assignment and array constructors with numeric type conversion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58750 --- Comment #18 from Dominique d'Humieres --- > I'm afraid to say that this issue is, in fact, not solved. ... Yes it is on trunk (8.0.1). The fix has not been back ported, hence not fixed on 7.3.0.
[Bug lto/85495] New: lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 Bug ID: 85495 Summary: lto-wrapper.exe: fatal error: file too short: No error Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto Assignee: unassigned at gcc dot gnu.org Reporter: gjl at gcc dot gnu.org CC: marxin at gcc dot gnu.org Target Milestone: --- $ avr-gcc -mmcu=atmega168 -Os -flto -save-temps main-i.c -c $ avr-gcc -mmcu=atmega168 -Os -flto -save-temps -o main.elf main.o -v Using built-in specs. Reading specs from e:/winavr8/bin/../lib/gcc/avr/8.0.1/device-specs/specs-atmega168 COLLECT_GCC=e:/winavr8/bin/avr-gcc COLLECT_LTO_WRAPPER=e:/winavr8/bin/../libexec/gcc/avr/8.0.1/lto-wrapper.exe Target: avr Configured with: ../../trunk/configure --target=avr --disable-nls --prefix=/local/gnu/install/gcc-8-avr-mingw32 --host=i686-w64-mingw32 --build=x86_64-linux-gnu --enable-languages=c,c++,lto --with-gnu-as --with-gnu-ld --disable-shared --with-dwarf2 --enable-checking=release Thread model: single gcc version 8.0.1 20180119 (experimental) [trunk revision 256890] (GCC) COMPILER_PATH=e:/winavr8/bin/../libexec/gcc/avr/8.0.1/;e:/winavr8/bin/../libexec/gcc/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/bin/ LIBRARY_PATH=e:/winavr8/bin/../lib/gcc/avr/8.0.1/avr5/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib/avr5/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/;e:/winavr8/bin/../lib/gcc/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib/ COLLECT_GCC_OPTIONS= '-Os' '-flto' '-save-temps' '-o' 'main.elf' '-v' '-specs=device-specs/specs-atmega168' '-mmcu=avr5' e:/winavr8/bin/../libexec/gcc/avr/8.0.1/collect2.exe -plugin e:/winavr8/bin/../libexec/gcc/avr/8.0.1/liblto_plugin-0.dll -plugin-opt=e:/winavr8/bin/../libexec/gcc/avr/8.0.1/lto-wrapper.exe -plugin-opt=-fresolution=main.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lm -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-latmega168 -flto -mavr5 -Tdata 0x800100 -o main.elf e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib/avr5/crtatmega168.o -Le:/winavr8/bin/../lib/gcc/avr/8.0.1/avr5 -Le:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib/avr5 -Le:/winavr8/bin/../lib/gcc/avr/8.0.1 -Le:/winavr8/bin/../lib/gcc -Le:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib main.o --start-group -lgcc -lm -lc -latmega168 --end-group e:/winavr8/bin/../libexec/gcc/avr/8.0.1/lto-wrapper.exe -fresolution=main.res -flinker-output=exec main.o e:/winavr8/bin/avr-gcc @c:\Temp\ccZw15BU Using built-in specs. Reading specs from e:/winavr8/bin/../lib/gcc/avr/8.0.1/device-specs/specs-atmega168 Reading specs from e:/winavr8/bin/../lib/gcc/avr/8.0.1/device-specs/specs-avr5 COLLECT_GCC=e:/winavr8/bin/avr-gcc Target: avr Configured with: ../..//trunk/configure --target=avr --disable-nls --prefix=/local/gnu/install/gcc-8-avr-mingw32 --host=i686-w64-mingw32 --build=x86_64-linux-gnu --enable-languages=c,c++,lto --with-gnu-as --with-gnu-ld --disable-shared --with-dwarf2 --enable-checking=release Thread model: single gcc version 8.0.1 20180119 (experimental) [trunk revision 256890] (GCC) COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-mn-flash=1' '-mno-skip-bug' '-mrelax' '-mmcu=avr5' '-Os' '-fno-common' '-Os' '-save-temps' '-v' '-specs=device-specs/specs-atmega168' '-mmcu=avr5' '-dumpdir' './' '-dumpbase' 'main.elf.wpa' '-fltrans-output-list=main.elf.ltrans.out' '-fwpa' '-fresolution=main.res' '-flinker-output=exec' '-specs=device-specs/specs-avr5' e:/winavr8/lib/gcc/../../libexec/gcc/avr/8.0.1/lto1.exe -mno-skip-bug -quiet -dumpdir ./ -dumpbase main.elf.wpa -mn-flash=1 -mno-skip-bug -mrelax -mmcu=avr5 -mmcu=avr5 -auxbase main -Os -Os -version -fno-openmp -fno-openacc -fno-common -fltrans-output-list=main.elf.ltrans.out -fwpa -fresolution=main.res -flinker-output=exec @c:\Temp\ccRYsBHY GNU GIMPLE (GCC) version 8.0.1 20180119 (experimental) [trunk revision 256890] (avr) compiled by GNU C version 4.9.3, GMP version 6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version isl-0.16.1-GMP GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32702 GNU GIMPLE (GCC) version 8.0.1 20180119 (experimental) [trunk revision 256890] (avr) compiled by GNU C version 4.9.3, GMP version 6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version isl-0.16.1-GMP GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32702 COMPILER_PATH=e:/winavr8/lib/gcc/../../libexec/gcc/avr/8.0.1/;e:/winavr8/lib/gcc/../../libexec/gcc/;e:/winavr8/bin/../libexec/gcc/avr/8.0.1/;e:/winavr8/bin/../libexec/gcc/avr/8.0.1/;e:/winavr8/bin/../libexec/gcc/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/bin/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/bin/ LIBRARY_PATH=e:/winavr8/bin/../lib/gcc/avr/8.0.1/avr5/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/../../../../avr/lib/avr5/;e:/winavr8/bin/../lib/gcc/avr/8.0.1/;e:/winavr8/
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 --- Comment #1 from Georg-Johann Lay --- Created attachment 44003 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44003&action=edit Precompiled C source.
[Bug fortran/58750] Wrong code with realloc on assignment and array constructors with numeric type conversion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58750 --- Comment #19 from Adam Hirst --- Apologies for the excess traffic. I realised my error soon after posting. I'll try to be patient until I have GCC8 "release" on my system before I follow up any similar issues.
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 --- Comment #2 from Georg-Johann Lay --- Created attachment 44004 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44004&action=edit Intermediate s file.
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 --- Comment #3 from Georg-Johann Lay --- Created attachment 44005 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44005&action=edit INtermediate o file
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 --- Comment #4 from Georg-Johann Lay --- The file c:\Temp\ccwCcYxWdebugobj is empty.
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 --- Comment #5 from Georg-Johann Lay --- Is this related to PR85238 ?
[Bug driver/85493] decltype can use deleted constructor and deleted template function in template function
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85493
--- Comment #2 from Ihor Rudynskyi ---
Summarizing:
g++ 7.2 allows to write this code.
struct no_def
{
no_def() = delete;
};
template
int foo() = delete;
template
void test()
{
decltype(no_def()) a1{};
decltype(no_def(1,2,3)) a2{};
decltype(foo<>()) a3{};
}
int main()
{
test<>();
}
but according to godbolt a3 case seems to have been fixed on trunk
[Bug lto/85495] lto-wrapper.exe: fatal error: file too short: No error
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85495 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC||ebotcazou at gcc dot gnu.org Resolution|--- |DUPLICATE --- Comment #6 from Eric Botcazou --- > Is this related to PR85238 ? Yes, and you should report bugs against an up-to-date compiler. *** This bug has been marked as a duplicate of bug 85238 ***
[Bug target/85238] [8 Regression] lto-wrapper: fatal error: simple_object_copy_lto_debug_sections not implemented: Invalid argument on Cygwin
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85238 Eric Botcazou changed: What|Removed |Added CC||gjl at gcc dot gnu.org --- Comment #27 from Eric Botcazou --- *** Bug 85495 has been marked as a duplicate of this bug. ***
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[Bug tree-optimization/35356] Missing Index splitting support in gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35356 --- Comment #2 from Andrew Pinski --- This might have been fixed on the trunk.
[Bug rtl-optimization/46279] cmov not hoisted out of the loop
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2010-11-03 10:58:33 |2018-4-22 --- Comment #7 from Andrew Pinski --- -O3 works correctly though.
[Bug tree-optimization/46236] Local aggregate not eliminated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46236 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2018-04-22 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski --- Confirmed.
[Bug rtl-optimization/46943] Unnecessary ZERO_EXTEND
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46943 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2012-02-02 00:00:00 |2018-4-22 --- Comment #3 from Andrew Pinski --- It looks more obvious on aarch64: and w1, w1, 65535 mov w0, 43691 movkw0, 0x, lsl 16 adrpx2, v and x3, x1, 65535 umull x0, w1, w0 str x3, [x2, #:lo12:v] lsr x0, x0, 33 ret The second and is not needed.
[Bug tree-optimization/32605] Missing byte swap optimizations
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32605 Andrew Pinski changed: What|Removed |Added Target|x86_64-*-*, i?86-*-*| Last reconfirmed|2012-02-02 00:00:00 |2018-4-22 Component|rtl-optimization|tree-optimization --- Comment #4 from Andrew Pinski --- Confirmed still. Happens on aarch64-linux-gnu also.
[Bug target/43550] arm missing rev16
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43550 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED Target Milestone|--- |4.8.0 --- Comment #2 from Andrew Pinski --- Fixed so mark it as such.
[Bug tree-optimization/35357] Loop peeling not happening
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35357 --- Comment #3 from Andrew Pinski --- I think this is fixed for GCC 8 for the work on HMMER.
[Bug middle-end/85496] New: [6/7/8 Regression] internal compiler error: in emit_move_insn, at expr.c:3722
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85496
Bug ID: 85496
Summary: [6/7/8 Regression] internal compiler error: in
emit_move_insn, at expr.c:3722
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: mpolacek at gcc dot gnu.org
Target Milestone: ---
template class complex;
template complex<_Tp> operator*(complex<_Tp>, complex<_Tp>);
template <> struct complex { _Complex float _M_value; };
class A {
complex _f0, _f1;
public:
complex &m_fn1() { return _f1; }
};
complex a;
void cos() {
A b;
complex c;
b.m_fn1() = c * a;
}
$ ./cc1plus -quiet x.C -O
during RTL pass: expand
x.C: In function ‘void cos()’:
x.C:14:19: internal compiler error: in emit_move_insn, at expr.c:3722
b.m_fn1() = c * a;
^
0xc5e00f emit_move_insn(rtx_def*, rtx_def*)
/home/marek/src/gcc/gcc/expr.c:3721
0xc38e53 store_bit_field_1
/home/marek/src/gcc/gcc/expmed.c:804
0xc3a697 store_bit_field(rtx_def*, poly_int<1u, unsigned long>, poly_int<1u,
unsigned long>, poly_int<1u, unsigned long>, poly_int<1u, unsigned long>,
machine_mode, rtx_def*, bool)
/home/marek/src/gcc/gcc/expmed.c:1154
0xc6ccc0 store_field
/home/marek/src/gcc/gcc/expr.c:7073
0xc63f46 expand_assignment(tree_node*, tree_node*, bool)
/home/marek/src/gcc/gcc/expr.c:5251
0xae2116 expand_call_stmt
/home/marek/src/gcc/gcc/cfgexpand.c:2688
0xae55bf expand_gimple_stmt_1
/home/marek/src/gcc/gcc/cfgexpand.c:3624
0xae5cb5 expand_gimple_stmt
/home/marek/src/gcc/gcc/cfgexpand.c:3790
0xaee461 expand_gimple_basic_block
/home/marek/src/gcc/gcc/cfgexpand.c:5819
0xaefe42 execute
/home/marek/src/gcc/gcc/cfgexpand.c:6425
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See
[Bug middle-end/85496] [6/7/8 Regression] internal compiler error: in emit_move_insn, at expr.c:3722
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85496 --- Comment #1 from Marek Polacek --- Started with r244249.
[Bug middle-end/85496] [6/7/8 Regression] internal compiler error: in emit_move_insn, at expr.c:3722
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85496 Marek Polacek changed: What|Removed |Added Keywords||ice-on-valid-code Target Milestone|--- |6.5
[Bug target/12395] Suboptimal code with global variables
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12395 --- Comment #18 from Andrew Pinski --- This is what is produced (at least for 7.3.0): movla(%rip), %edx movl$0, %eax leal2(%rdx), %ecx cmpl$-1, %edx cmovne %ecx, %eax movl%eax, a(%rip) ret
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #15 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug middle-end/85496] [6/7/8 Regression] internal compiler error: in emit_move_insn, at expr.c:3722
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85496 Andrew Pinski changed: What|Removed |Added Severity|normal |critical
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #16 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #17 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug tree-optimization/45833] Unnecessary runtime versioning for aliasing
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45833 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2018-04-22 Ever confirmed|0 |1 --- Comment #4 from Andrew Pinski --- Confirmed.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #18 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #19 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #20 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug c++/84744] cannot use glibc 2.27 with gcc 7.3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84744 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--- |WORKSFORME --- Comment #12 from Andrew Pinski --- This build works for me so closing.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug c++/84744] cannot use glibc 2.27 with gcc 7.3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84744 Peter VARGA changed: What|Removed |Added Status|RESOLVED|UNCONFIRMED Resolution|WORKSFORME |--- --- Comment #13 from Peter VARGA --- (In reply to Andrew Pinski from comment #12) > This build works for me so closing. Any chance you could be more specific? For me it doesn't work and I think the goal should be to provide as much information as possible so other none-gcc-glibc-experts have a chance to use these tools - or? I have in the 1st comment an MCVE which I doesn't compile with the default settings. OK, I got the hint to compile gcc with the glibc version - but this I am not capable and I asked for additional information. What came I don't understand Any effort to solve this?
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #49 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #50 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #51 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #53 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #54 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #55 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3507 --- Comment #56 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message has not been forwarded to the package maintainers or other interested parties; you should ensure that the developers are aware of the problem you have entered into the system - preferably quoting the Bug reference number, #75773. If you wish to submit further information on this problem, please send it to 75773-qu...@bugs.debian.org. Please do not send mail to ow...@bugs.debian.org unless you wish to report a problem with the Bug-tracking system.
[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug rtl-optimization/3507] appalling optimisation with sub/cmp on multiple targets
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[Bug tree-optimization/85497] New: [8 Regression] [graphite] ICE in set_codegen_error, at graphite-isl-ast-to-gimple.c:206
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85497
Bug ID: 85497
Summary: [8 Regression] [graphite] ICE in set_codegen_error, at
graphite-isl-ast-to-gimple.c:206
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-8.0.0-alpha20180415 snapshot (r259389) ICEs when compiling the following
snippet w/ -O1 -floop-parallelize-all -fno-tree-loop-im --param
scev-max-expr-size=1:
int au;
void
a8 (int k7)
{
int xo;
for (xo = 0; xo < 2; ++xo)
{
int dd;
for (dd = 0; dd < 2; ++dd)
au = !!k7 ? xo : 0;
}
}
% gcc-8.0.0-alpha20180415 -O1 -floop-parallelize-all -fno-tree-loop-im --param
scev-max-expr-size=1 -w -c tjvdwsqb.c
during GIMPLE pass: graphite
tjvdwsqb.c: In function 'a8':
tjvdwsqb.c:4:1: internal compiler error: in set_codegen_error, at
graphite-isl-ast-to-gimple.c:206
a8 (int k7)
^~
0x728814 translate_isl_ast_to_gimple::set_codegen_error()
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:205
0x728972 translate_isl_ast_to_gimple::set_codegen_error()
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/tree.h:3249
0x728972 translate_isl_ast_to_gimple::get_rename_from_scev(tree_node*,
gimple**, loop*, vec)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:1102
0x146a761
translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences(basic_block_def*,
edge_def*, vec)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:1310
0x146aca1
translate_isl_ast_to_gimple::translate_isl_ast_node_user(isl_ast_node*,
edge_def*, std::map,
std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:830
0x146b364 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*,
isl_ast_node*, edge_def*, std::map,
std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:859
0x146ae65 translate_isl_ast_to_gimple::translate_isl_ast_for_loop(loop*,
isl_ast_node*, edge_def*, tree_node*, tree_node*, tree_node*, std::map, std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:623
0x146b139 translate_isl_ast_to_gimple::translate_isl_ast_node_for(loop*,
isl_ast_node*, edge_def*, std::map,
std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:751
0x146ae65 translate_isl_ast_to_gimple::translate_isl_ast_for_loop(loop*,
isl_ast_node*, edge_def*, tree_node*, tree_node*, tree_node*, std::map, std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:623
0x146b139 translate_isl_ast_to_gimple::translate_isl_ast_node_for(loop*,
isl_ast_node*, edge_def*, std::map,
std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:751
0x146b446 translate_isl_ast_to_gimple::translate_isl_ast_node_if(loop*,
isl_ast_node*, edge_def*, std::map,
std::allocator > >&)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:897
0x146b74c graphite_regenerate_ast_isl(scop*)
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite-isl-ast-to-gimple.c:1505
0x1467953 graphite_transform_loops()
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite.c:413
0x1467e60 graphite_transforms
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite.c:475
0x1467e60 execute
/var/tmp/portage/sys-devel/gcc-8.0.0_alpha20180415/work/gcc-8-20180415/gcc/graphite.c:552
[Bug rtl-optimization/85160] GCC generates mvn/and instructions instead of bic on aarch64
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85160 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2018-04-23 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski --- Confirmed.
[Bug c++/85498] New: Unable to resolve function name with inferred return type
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85498
Bug ID: 85498
Summary: Unable to resolve function name with inferred return
type
Product: gcc
Version: 7.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at dcousens dot com
Target Milestone: ---
gcc version 7.3.1 20180312 (GCC)
But, this fails on many different GCC versions.
https://godbolt.org/g/G5gEx2
**Expected:** Compilation should succeed (like other compilers, MSVC, Clang,
etc)
**Actual:** Compilation failed
```
template
auto foo (T t) {
return t;
}
template
void bar (const T) {}
int main () {
bar(foo);
}
```
Result:
```
: In function 'int main()':
:10:17: error: no matching function for call to 'bar()'
bar(foo);
^
:7:6: note: candidate: template void bar(T)
void bar (const T) {}
^~~
:7:6: note: template argument deduction/substitution failed:
:10:17: note: couldn't deduce template parameter 'T'
bar(foo);
^
Compiler returned: 1
```
[Bug c++/85499] New: Unable to resolve function with inferred return type
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85499
Bug ID: 85499
Summary: Unable to resolve function with inferred return type
Product: gcc
Version: 7.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gcc at dcousens dot com
Target Milestone: ---
gcc version 7.3.1 20180312 (GCC)
But, this fails on many different GCC versions.
https://godbolt.org/g/G5gEx2
**Expected:** Compilation should succeed (like other compilers, MSVC, Clang,
etc)
**Actual:** Compilation failed
```
template
auto foo (T t) {
return t;
}
template
void bar (const T) {}
int main () {
bar(foo);
}
```
Result:
```
: In function 'int main()':
:10:17: error: no matching function for call to 'bar()'
bar(foo);
^
:7:6: note: candidate: template void bar(T)
void bar (const T) {}
^~~
:7:6: note: template argument deduction/substitution failed:
:10:17: note: couldn't deduce template parameter 'T'
bar(foo);
^
Compiler returned: 1
```
[Bug c++/85499] Unable to resolve function with inferred return type
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85499
--- Comment #1 from gcc at dcousens dot com ---
Instantiating `foo` previously can resolve the issue, but isn't a work-able
solution in many cases.
```
int main () {
foo(1);
bar(foo);
}
```
