[Bug debug/86452] ICE in force_decl_die, at dwarf2out.c:25922 with -g1 and -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86452 --- Comment #6 from Richard Biener --- Author: rguenth Date: Fri Jul 13 06:42:31 2018 New Revision: 262624 URL: https://gcc.gnu.org/viewcvs?rev=262624&root=gcc&view=rev Log: 2018-07-13 Richard Biener PR debug/86452 * dwarf2ou

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 --- Comment #7 from kugan at gcc dot gnu.org --- Author: kugan Date: Fri Jul 13 05:25:47 2018 New Revision: 262622 URL: https://gcc.gnu.org/viewcvs?rev=262622&root=gcc&view=rev Log: gcc/ChangeLog: 2018-07-13 Kugan Vivekanandarajah

[Bug tree-optimization/86259] [8/9 Regression] min(4, strlen(s)) optimized to strlen(s) with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86259 --- Comment #22 from Martin Sebor --- In areas where the authors of the proposal find the standard open to interpretation and when they feel it doesn't contradict the surveyed implementation practice they tend to suggest to tighten the requiremen

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #8 from Matt Bentley --- > This is incorrect for floating point types and non scalars. And it > introduces an extra check at runtime if value is not known to compile time. This is the overload for scalar types, read the function des

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #7 from Andrew Pinski --- (In reply to Matt Bentley from comment #6) > Suggested patch for libstdc++, std_algobase.h, line 688: > template > inline typename > __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, void>::__type >

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #6 from Matt Bentley --- Suggested patch for libstdc++, std_algobase.h, line 688: template inline typename __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, void>::__type __fill_a(_ForwardIterator __first, _ForwardIterat

[Bug tree-optimization/86259] [8/9 Regression] min(4, strlen(s)) optimized to strlen(s) with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86259 --- Comment #21 from Davin McCall --- Looking at this further, the proposal actually states, for the address-of operator: > When the operand designates an object, the result has the single provenance > of the outermost object containing that ob

[Bug testsuite/86510] [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86510 --- Comment #1 from Martin Sebor --- Author: msebor Date: Thu Jul 12 22:42:00 2018 New Revision: 262609 URL: https://gcc.gnu.org/viewcvs?rev=262609&root=gcc&view=rev Log: PR testsuite/86510 - test case g++.dg/warn/pr86453.C fails starting with r

[Bug testsuite/86510] [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86510 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug middle-end/86511] Unordered comparisons are expanded with branchless code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86511 Andrew Pinski changed: What|Removed |Added Target|alphaev68-linux-gnu | --- Comment #1 from Andrew Pinski ---

[Bug middle-end/86511] New: Unordered comparisons are expanded with branchless code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86511 Bug ID: 86511 Summary: Unordered comparisons are expanded with branchless code Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority

[Bug tree-optimization/86509] Invalid conversion of comparison with infinity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86509 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/86503] Segmentation fault signal terminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86503 --- Comment #2 from Jonathan Wakely --- (In reply to Richard Biener from comment #1) > You run out of memory or stack. Try ulimit -s unlimited Yes but that seems to be because GCC goes into an infinte recursive instantiation, which it shouldn't

[Bug libstdc++/86507] std::filesystem not work on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86507 --- Comment #3 from Jonathan Wakely --- (In reply to tower120 from comment #0) > All 7.x with > "experimental/filesystem" worked fine. Are you sure about that? You might be able to include the header, but nothing else works. Anyway, this is an

[Bug testsuite/86510] New: [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86510 Bug ID: 86510 Summary: [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/86509] Invalid conversion of comparison with infinity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86509 --- Comment #1 from Uroš Bizjak --- Ops, no, the above is with gcc-7.3. gcc-9 correctly emits: x.0_1 ={v} x; _2 = x.0_1 u<= 1.79769313486231570814527423731704356798070567525844996599e+308; _3 = (int) _2; i ={v} _3; _4 = fetestexcept (

[Bug c++/43064] improve location and text of diagnostics in constructor initializer lists

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43064 David Malcolm changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug lto/86490] lto1: fatal error: multiple prevailing defs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86490 --- Comment #9 from zenith432 at users dot sourceforge.net --- It is worth studying what gold is doing, because it's not just skipping the object files in the archives. If you link with gcc -flto -save-temps -fuse-ld=gold -o x main.o libfoo.a lib

[Bug tree-optimization/86509] New: Invalid conversion of comparison with infinity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86509 Bug ID: 86509 Summary: Invalid conversion of comparison with infinity Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree

[Bug middle-end/85974] [8/9 Regression] Failure to optimize difference of two pointers into a compile time constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85974 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #4

[Bug c/53769] [C11]: Macros __STDC_NO_THREADS__ / __STDC_NO_ATOMIC__ missing.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769 Florian Weimer changed: What|Removed |Added CC||fw at gcc dot gnu.org --- Comment #7 fr

[Bug middle-end/86508] New: missing -Wattributes on an ignored attempt to reduce struct alignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86508 Bug ID: 86508 Summary: missing -Wattributes on an ignored attempt to reduce struct alignment Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug c++/86190] [6/7/8/9 Regression] -Wsign-conversion ignores explicit conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86190 Richard Biener changed: What|Removed |Added Target Milestone|--- |6.5

[Bug middle-end/85974] [8/9 Regression] Failure to optimize difference of two pointers into a compile time constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85974 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|NEW

[Bug rtl-optimization/85645] [7 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2348

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85645 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Known to work|

[Bug target/85593] [6/7/8/9 Regression] GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85593 Richard Biener changed: What|Removed |Added Target Milestone|--- |6.5 Summary|[6,7,8,9 Regress

[Bug c++/85569] [8/9 Regression] is_invocable(F, decltype(objs)...) fails with "not supported by dump_expr#" unless via indirection

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85569 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Target Milestone|---

[Bug tree-optimization/84362] [7/8/9 Regression] Auto-vectorization regression when accessing member variable through getter/accessor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84362 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Priority|

[Bug fortran/85352] [6/7/8/9 Regression] Incorrect error diagnosed for dummy argument used in specification expression to subprogram with ENTRY

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85352 Richard Biener changed: What|Removed |Added Target Milestone|--- |6.5

[Bug c++/43064] improve location and text of diagnostics in constructor initializer lists

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43064 Eric Gallager changed: What|Removed |Added CC||dmalcolm at gcc dot gnu.org --- Comment

[Bug target/82092] [8/9 regression] gcc fails to link genmodes on darwin (cfiStartsArray[i] != cfiStartsArray[i-1])

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82092 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Target Milestone|---

[Bug other/44209] [meta-bug] Some warnings are not linked to diagnostics options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44209 --- Comment #6 from Eric Gallager --- (In reply to Will Hawkins from comment #5) > I am using this as a jumping-off point to get involved with contributing > code to gcc. I have nothing to offer yet, but I wanted to note here that I > am going to

[Bug target/81497] [7 Regression] error compiling arm_acle.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81497 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Known to work|

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829 --- Comment #19 from Richard Biener --- Author: rguenth Date: Thu Jul 12 16:33:26 2018 New Revision: 262598 URL: https://gcc.gnu.org/viewcvs?rev=262598&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR target/84829 * config

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829 --- Comment #18 from Richard Biener --- Author: rguenth Date: Thu Jul 12 16:29:50 2018 New Revision: 262597 URL: https://gcc.gnu.org/viewcvs?rev=262597&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR target/84829 * config

[Bug c/86453] [8 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86453 --- Comment #13 from Martin Sebor --- Author: msebor Date: Thu Jul 12 16:21:06 2018 New Revision: 262596 URL: https://gcc.gnu.org/viewcvs?rev=262596&root=gcc&view=rev Log: PR c/86453 - error: type variant differs by TYPE_PACKED in free_lang_data

[Bug ipa/86436] IPA-ICF: miissed optimization at class template member functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86436 --- Comment #2 from petschy at gmail dot com --- Folding instantiations of member functions of class templates is a low hanging fruit IMHO. So if they are not handled ATM, then consider this ticket as a feature request, rather than a bug.

[Bug tree-optimization/86506] [9 Regression] tree-vect-patterns.c:225: shift too large for type ?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86506 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/78870] Support std::filesystem on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78870 Andrew Pinski changed: What|Removed |Added CC||tower120 at gmail dot com --- Comment #2

[Bug libstdc++/86507] std::filesystem not work on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86507 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 sudi at gcc dot gnu.org changed: What|Removed |Added Last reconfirmed||2018-7-12 CC|

[Bug lto/86004] [9 regression] Several lto test cases begin failing with r260963

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86004 --- Comment #8 from seurer at gcc dot gnu.org --- *** Bug 86496 has been marked as a duplicate of this bug. ***

[Bug lto/86496] [9 regression] plugin required to handle lto object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86496 seurer at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|-

[Bug c++/86374] [8/9 regression] template member name lookup problem

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86374 Nathan Sidwell changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 --- Comment #5 from Pat Haugen --- (In reply to kugan from comment #3) > index f6fa2f7..fbdf838 100644 > --- a/gcc/tree-ssa-loop-niter.c > +++ b/gcc/tree-ssa-loop-niter.c > @@ -2555,6 +2555,7 @@ number_of_iterations_popcount (loop_p loop, edge ex

[Bug rtl-optimization/65862] [MIPS] IRA/LRA issue: integers spilled to floating-point registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65862 --- Comment #18 from Wilco --- (In reply to niva from comment #17) > (In reply to Wilco from comment #16) > > (In reply to niva from comment #15) > > > (In reply to Vladimir Makarov from comment #14) > ... > > If you implement the hook like I did

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 Matthias Klose changed: What|Removed |Added CC||doko at debian dot org --- Comment #9 f

[Bug target/84413] [8/9 Regression] -mtune=skylake,skylake-avx512,cannonlake,icelake disable many optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84413 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829 --- Comment #17 from Richard Biener --- Author: rguenth Date: Thu Jul 12 12:47:48 2018 New Revision: 262584 URL: https://gcc.gnu.org/viewcvs?rev=262584&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR target/84829 * config

[Bug debug/86462] [9 Regression] Quite huge debug info size increase introduced in r262511

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86462 --- Comment #6 from Richard Biener --- Author: rguenth Date: Thu Jul 12 12:32:30 2018 New Revision: 262583 URL: https://gcc.gnu.org/viewcvs?rev=262583&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR debug/86462 * dwarf2ou

[Bug debug/86462] [9 Regression] Quite huge debug info size increase introduced in r262511

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86462 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/86507] std::filesystem not work on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86507 --- Comment #1 from tower120 --- Created attachment 44388 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44388&action=edit compilation error message

[Bug libstdc++/86507] New: std::filesystem not work on Windows

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86507 Bug ID: 86507 Summary: std::filesystem not work on Windows Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 Richard Biener changed: What|Removed |Added CC||doko at gcc dot gnu.org --- Comment #8

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 --- Comment #4 from Richard Biener --- (In reply to kugan from comment #3) > (In reply to Richard Biener from comment #2) > > gimple *phi = SSA_NAME_DEF_STMT (b_11); > > if (gimple_code (phi) != GIMPLE_PHI > > || (gimple_assign_lhs (and

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 --- Comment #7 from Jonny Grant --- (In reply to rguent...@suse.de from comment #6) > On Thu, 12 Jul 2018, jg at jguk dot org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 > > > > --- Comment #5 from Jonny Grant --- > > Richa

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 --- Comment #6 from rguenther at suse dot de --- On Thu, 12 Jul 2018, jg at jguk dot org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 > > --- Comment #5 from Jonny Grant --- > Richard, > Ok I will have a look at that soon... >

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829 --- Comment #16 from Richard Biener --- Author: rguenth Date: Thu Jul 12 11:53:34 2018 New Revision: 262582 URL: https://gcc.gnu.org/viewcvs?rev=262582&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR target/84829 * config

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 --- Comment #5 from Jonny Grant --- Richard, Ok I will have a look at that soon... Could I ask, do you know if GCC already has dwarf sanity checks when outputting .debug_str size to check offsets are not larger than the size?

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 --- Comment #4 from Richard Biener --- (In reply to Jonny Grant from comment #3) > Hello Richard > It's commercial source code that can't be disclosed. > Is there another way to create a test case which has the same issue? a lot > of debug inform

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469 --- Comment #3 from Jonny Grant --- Hello Richard It's commercial source code that can't be disclosed. Is there another way to create a test case which has the same issue? a lot of debug information?

[Bug rtl-optimization/65862] [MIPS] IRA/LRA issue: integers spilled to floating-point registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65862 --- Comment #17 from niva at niisi dot msk.ru --- (In reply to Wilco from comment #16) > (In reply to niva from comment #15) > > (In reply to Vladimir Makarov from comment #14) ... > If you implement the hook like I did on AArch64 then the problem

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 --- Comment #3 from kugan at gcc dot gnu.org --- (In reply to Richard Biener from comment #2) > gimple *phi = SSA_NAME_DEF_STMT (b_11); > if (gimple_code (phi) != GIMPLE_PHI > || (gimple_assign_lhs (and_stmt) > != gimple_phi_ar

[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 --- Comment #3 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #2) > Started with r254167, so maybe related to PR84251. Yes, it is the same issue. As said in PR84251, we have to wrap COMPARE into UNSPEC, so this defeats some passes

[Bug rtl-optimization/65862] [MIPS] IRA/LRA issue: integers spilled to floating-point registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65862 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #16 from Wi

[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug fortran/86468] [8/9 regression] ICE verify_gimple failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86468 Dominique d'Humieres changed: What|Removed |Added Keywords||ice-on-valid-code Sta

[Bug fortran/86312] missing runtime warning for array temporary with -fcheck=array-temps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86312 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug debug/86462] [9 Regression] Quite huge debug info size increase introduced in r262511

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86462 Richard Biener changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #5 from Matt Bentley --- What would be even more useful is a warning: for unused data.

[Bug middle-end/86505] [6/7/8/9 Regression] __builtin_va_arg_pack_len() computes the number of arguments wrongly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86505 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug c/86506] tree-vect-patterns.c:225: shift too large for type ?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86506 David Binderman changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org --- Commen

[Bug c/86506] tree-vect-patterns.c:225: shift too large for type ?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86506 --- Comment #1 from David Binderman --- $ ~/gcc/results.262549.ubsan/bin/gcc -c -O3 bug450.c bug450.c: In function ‘b’: bug450.c:5:21: warning: assignment to ‘int’ from ‘void (*)()’ makes integer from pointer without a cast [-Wint-conversion]

[Bug tree-optimization/86504] vectorization failure for a nest loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 Richard Biener changed: What|Removed |Added Target||arm CC|

[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug c++/86503] Segmentation fault signal terminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86503 --- Comment #1 from Richard Biener --- You run out of memory or stack. Try ulimit -s unlimited

[Bug c/86506] New: tree-vect-patterns.c:225: shift too large for type ?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86506 Bug ID: 86506 Summary: tree-vect-patterns.c:225: shift too large for type ? Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug lto/86496] [9 regression] plugin required to handle lto object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86496 Richard Biener changed: What|Removed |Added Target Milestone|--- |9.0

[Bug c++/86495] [8/9 Regression] false no return statement warning in "if constexpr" branch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86495 Richard Biener changed: What|Removed |Added Keywords||diagnostic Target Milestone|---

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86489 --- Comment #2 from Richard Biener --- gimple *phi = SSA_NAME_DEF_STMT (b_11); if (gimple_code (phi) != GIMPLE_PHI || (gimple_assign_lhs (and_stmt) != gimple_phi_arg_def (phi, loop_latch_edge (loop)->dest_idx))) return fal

[Bug tree-optimization/86504] vectorization failure for a nest loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 ktkachov at gcc dot gnu.org changed: What|Removed |Added Keywords||missed-optimization

[Bug tree-optimization/86492] [8/9 Regression] store-merging wrong-code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86492 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/80122] __builtin_va_arg_pack() and __builtin_va_arg_pack_len() does not work correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80122 --- Comment #14 from rpirrera at aitek dot it --- (In reply to Richard Biener from comment #13) > Can you please open a new bugreport? Btw, your snippet doesn't compile > because you miss ANSI_BOLD and friends, removing it and adding a #include >

[Bug c/86505] New: __builtin_va_arg_pack_len() computes the number of arguments wrongly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86505 Bug ID: 86505 Summary: __builtin_va_arg_pack_len() computes the number of arguments wrongly Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/86492] [8/9 Regression] store-merging wrong-code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86492 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Thu Jul 12 07:46:04 2018 New Revision: 262577 URL: https://gcc.gnu.org/viewcvs?rev=262577&root=gcc&view=rev Log: PR tree-optimization/86492 * gimple-ssa-store-merging.c

[Bug tree-optimization/86492] [8/9 Regression] store-merging wrong-code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86492 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Thu Jul 12 07:39:33 2018 New Revision: 262576 URL: https://gcc.gnu.org/viewcvs?rev=262576&root=gcc&view=rev Log: PR tree-optimization/86492 * gimple-ssa-store-merging.c

[Bug tree-optimization/86504] vectorization failure for a nest loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 --- Comment #1 from Jiangning Liu --- Created attachment 44387 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44387&action=edit bad vectorizatoin result for boundary size 8

[Bug tree-optimization/86504] New: vectorization failure for a nest loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 Bug ID: 86504 Summary: vectorization failure for a nest loop Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimiza

[Bug tree-optimization/80122] __builtin_va_arg_pack() and __builtin_va_arg_pack_len() does not work correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80122 Richard Biener changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug c++/86480] [8/9 Regression] error: parameter packs not expanded with '...' in a recursive variadic lambda

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86480 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug c/86453] [8 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86453 Richard Biener changed: What|Removed |Added Keywords|patch | Component|middle-end

[Bug c/86453] [8 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86453 --- Comment #12 from Richard Biener --- Author: rguenth Date: Thu Jul 12 07:13:36 2018 New Revision: 262575 URL: https://gcc.gnu.org/viewcvs?rev=262575&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR c/86453 * c-attribs.c

[Bug tree-optimization/86479] [9 Regression] [graphite] ICE in gimplify_modify_expr, at gimplify.c:5756

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86479 --- Comment #4 from Richard Biener --- Author: rguenth Date: Thu Jul 12 07:11:50 2018 New Revision: 262574 URL: https://gcc.gnu.org/viewcvs?rev=262574&root=gcc&view=rev Log: 2018-07-12 Richard Biener PR middle-end/86479 * fol

[Bug tree-optimization/86479] [9 Regression] [graphite] ICE in gimplify_modify_expr, at gimplify.c:5756

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86479 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59859 Bug 59859 depends on bug 86479, which changed state. Bug 86479 Summary: [9 Regression] [graphite] ICE in gimplify_modify_expr, at gimplify.c:5756 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86479 What|Removed