[Bug tree-optimization/71258] Missed optimizations: dynamic allocation, virtual calls, empty destructors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71258 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #4 from Andrew P

[Bug c++/36587] Feature: add warning for constructor call with discarded return.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36587 --- Comment #17 from Jonathan Wakely --- No, the nodiscard warnings must be silenced with a cast to void. They can't be "stronger" than that.

[Bug tree-optimization/71258] Missed optimizations: dynamic allocation, virtual calls, empty destructors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71258 --- Comment #3 from Andrew Pinski --- Created attachment 57722 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57722&action=edit testcase

[Bug tree-optimization/66003] missed cse opportunity in addr expressions because of tree pre/lim

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66003 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug lto/114372] Confusing ODR warning with different typedefs (show the canonical non-aggregate type)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114372 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug lto/114372] Confusing ODR warning with different typedefs (show the canonical non-aggregate type)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114372 --- Comment #2 from Andrew Pinski --- I am not 100% sure if we record where the typedef is located but it might be useful to print those out too.

[Bug fortran/114373] New: BLOCK construct not correctly analyzed with -fopenmp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114373 Bug ID: 114373 Summary: BLOCK construct not correctly analyzed with -fopenmp Product: gcc Version: 13.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Comp

[Bug lto/114372] Confusing ODR warning with different typedefs (show the canonical non-aggregate type)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114372 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Severity|normal

[Bug lto/114372] New: Confusing ODR warning with different typedefs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114372 Bug ID: 114372 Summary: Confusing ODR warning with different typedefs Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lt

[Bug middle-end/113396] [13/14 Regression] csmith: differences from -O2 to -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113396 Sam James changed: What|Removed |Added CC||sjames at gcc dot gnu.org --- Comment #20 f

[Bug middle-end/114371] New: [meta-bug] issues related to strict-volatile-bitfields

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114371 Bug ID: 114371 Summary: [meta-bug] issues related to strict-volatile-bitfields Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: meta-bug Severity: normal

[Bug target/91861] invalid vectorization of isless, islessequal, etc. (with default of -ftrapping-math)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91861 --- Comment #4 from Matthias Kretz (Vir) --- > But NLT_UQ does not exist for non-VEX encoded Right, one needs to compare integers and check for NaN. Like noted in the description. Also implemented in the std::experimental::simd overloads: https:

[Bug c++/36587] Feature: add warning for constructor call with discarded return.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36587 --- Comment #16 from Kaz Kylheku --- (In reply to Andrew Pinski from comment #14) > C++17 adds nodiscard attribute which can be placed on class/struct types, > functions, constructors and others and then you get a warning if you ignore > the valu

[Bug c++/36587] Feature: add warning for constructor call with discarded return.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36587 --- Comment #15 from Kaz Kylheku --- (In reply to Manuel López-Ibáñez from comment #13) > (In reply to Kaz Kylheku from comment #11) > > I deployed that change to large team of developers, and the toolchain with > > that change went to customers

[Bug testsuite/114320] New test case in r14-9439-g4aa87b856067d4 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114320 --- Comment #3 from Kewen Lin --- (In reply to Nathaniel Shead from comment #2) > Sorry about that. I've not been able to work out what configure flags I need > to pass to cause this to error in the first place (I don't normally develop > for po

[Bug target/110061] libatomic: 128-bit atomics should be lock-free on AArch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110061 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug tree-optimization/69950] Allow more than one exit phi for reduction in try_create_reduction_list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69950 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug target/110061] libatomic: 128-bit atomics should be lock-free on AArch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110061 Khem Raj changed: What|Removed |Added CC||raj.khem at gmail dot com --- Comment #17 fr

[Bug target/114334] [14 Regression] ICE: in extract_insn, at recog.cc:2812 (unrecognizable insn and:HF?) with lroundf16() and -ffast-math -mavx512fp16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114334 Hongtao Liu changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/114334] [14 Regression] ICE: in extract_insn, at recog.cc:2812 (unrecognizable insn and:HF?) with lroundf16() and -ffast-math -mavx512fp16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114334 --- Comment #2 from GCC Commits --- The master branch has been updated by hongtao Liu : https://gcc.gnu.org/g:942d470a5a4fb1baeff943127a81b441dffaa543 commit r14-9512-g942d470a5a4fb1baeff943127a81b441dffaa543 Author: liuhongt Date: Fri Mar

[Bug tree-optimization/66862] OpenMP SIMD does not work (use SIMD instructions) on conditional code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66862 --- Comment #5 from Hongtao Liu --- > Now, it seems AVX512BW (and AVX512VL in some cases) has the needed > instructions, > in particular VMOVDQU{8,16}, but it is not reflected in maskload and > maskstore expanders. CCing Kyrill and Uros on this.

[Bug rtl-optimization/112415] [14 regression] Python 3.11 miscompiled on HPPA with new RTL fold mem offset pass, since r14-4664-g04c9cf5c786b94

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112415 --- Comment #54 from John David Anglin --- The f-m-o issue is probably fixed.

[Bug c++/48026] #pragma optimize ignored for C++ for preprocessor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48026 Andrew Pinski changed: What|Removed |Added CC||tellowkrinkle at gmail dot com --- Comme

[Bug pch/114370] __OPTIMIZE__ is still defined after pop_options from a PCH file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114370 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug rtl-optimization/112415] [14 regression] Python 3.11 miscompiled on HPPA with new RTL fold mem offset pass, since r14-4664-g04c9cf5c786b94

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112415 --- Comment #53 from GCC Commits --- The master branch has been updated by John David Anglin : https://gcc.gnu.org/g:f0fda1aff0b752e4182c009c5526b9306bd35f7c commit r14-9511-gf0fda1aff0b752e4182c009c5526b9306bd35f7c Author: John David Anglin

[Bug c++/114370] New: _mm_srli_si128 fails to compile with PCH that uses pragma GCC optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114370 Bug ID: 114370 Summary: _mm_srli_si128 fails to compile with PCH that uses pragma GCC optimize Product: gcc Version: 13.2.1 Status: UNCONFIRMED Severity: norma

[Bug testsuite/63719] gcc-set-multilib-library-path usage outside of gcc/testsuite/

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63719 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0 Status|UNCONFIRMED

[Bug testsuite/87958] scan-tree-dump-times vs. (foo|bar)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87958 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug debug/52658] struct/union types don't print out all of the field with -fdump-tree-original-raw

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52658 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug c/114364] Untranslatable string 'in intervening code'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114364 --- Comment #3 from Roland Illig --- The diff looks good to me. Untested.

[Bug fortran/101135] Load of null pointer when passing absent assumed-shape array argument for an optional dummy argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101135 --- Comment #7 from GCC Commits --- The master branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:3f3f0b7ee8022776d69ecaed1375e1559716f226 commit r14-9509-g3f3f0b7ee8022776d69ecaed1375e1559716f226 Author: Harald Anlauf Date: F

[Bug testsuite/40130] using RUNTESTFLAGS="--target_board 'foo{-mxyz,-mjkl,}'" screws up ieee.exp (and possibly others?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40130 --- Comment #10 from Andrew Pinski --- (In reply to Uroš Bizjak from comment #9) > BTW: Since you are looking in this area, can you add > __attribute__((noinline)) to the tests? Some of them are too easy to > optimize for recent optimizing passes

[Bug tree-optimization/56457] Bogus warning: loop-invariant.c:786:20: error: unused variable ‘regno’ when building vax-*-*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56457 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/89180] [meta-bug] bogus/missing -Wunused warnings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89180 Bug 89180 depends on bug 56457, which changed state. Bug 56457 Summary: Bogus warning: loop-invariant.c:786:20: error: unused variable ‘regno’ when building vax-*-* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56457 What|Removed

[Bug bootstrap/44756] [meta-bug] --enable-werror-always issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44756 Bug 44756 depends on bug 56457, which changed state. Bug 56457 Summary: Bogus warning: loop-invariant.c:786:20: error: unused variable ‘regno’ when building vax-*-* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56457 What|Removed

[Bug testsuite/90113] Useless torture mode for gfortran.dg tests

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90113 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRMED

[Bug testsuite/28032] gfortran.dg tests use dg-options with -On even though it is already torture tests

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28032 Andrew Pinski changed: What|Removed |Added CC||zhroma at gcc dot gnu.org --- Comment #6

[Bug testsuite/28032] gfortran.dg tests use dg-options with -On even though it is already torture tests

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28032 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug testsuite/28032] gfortran.dg/secnds.f test not honoring dg-options flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28032 --- Comment #4 from Andrew Pinski --- Created attachment 57720 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57720&action=edit more complete list of tests in gfortran.dg/ that contain dg-options that has -O in it

[Bug tree-optimization/114369] tree-vect-loop.cc uses vec_step which is also an altivec intrinsics breaks build when building with clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114369 Gerald Pfeifer changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/42818] Static C++ linking breakage "undefined reference to ___real__Znwj" and others in libcygwin.a(_cygwin_crt0_common.o)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42818 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org --- Comment

[Bug c++/57971] Improve copy elision when returning structs by value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57971 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug sanitizer/69443] -fsanitize=address should add -lpthread to linker call for older glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69443 Andrew Pinski changed: What|Removed |Added Summary|-fsanitize=address should |-fsanitize=address should

[Bug tree-optimization/114369] tree-vect-loop.cc uses vec_step which is also an altivec intrinsics breaks build when building with clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114369 Andrew Pinski changed: What|Removed |Added See Also||https://github.com/llvm/llv

[Bug tree-optimization/114369] tree-vect-loop.cc uses vec_step which is also an altivec intrinsics breaks build when building with clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114369 --- Comment #1 from Jakub Jelinek --- The gcc altivec.h defines it as a function-like macro, so not a problem. So perhaps a clang bug for not defining it as a function-like macro only?

[Bug bootstrap/89494] Bootstrap error when using GCC 4.2.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89494 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|WAITING

[Bug tree-optimization/114369] New: tree-vect-loop.cc uses vec_step which is also an altivec intrinsics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114369 Bug ID: 114369 Summary: tree-vect-loop.cc uses vec_step which is also an altivec intrinsics Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: build

[Bug d/109681] suggested preview switches use DMD preview flags

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109681 Iain Buclaw changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug libstdc++/114368] New: FAIL: 25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc -std=gnu++17 execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114368 Bug ID: 114368 Summary: FAIL: 25_algorithms/pstl/alg_sorting/set_symmetric_differenc e.cc -std=gnu++17 execution test Product: gcc Version: 14.0 Sta

[Bug libstdc++/114316] assert failure with _GLIBCXX_DEBUG and empty range of singular iterators passed to std:: algorithm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114316 --- Comment #3 from GCC Commits --- The releases/gcc-13 branch has been updated by Francois Dumont : https://gcc.gnu.org/g:c1f57ff40738bbce9902ea25865ed6d729b10127 commit r13-8460-gc1f57ff40738bbce9902ea25865ed6d729b10127 Author: François Dumo

[Bug libgcc/113402] Incorrect symbol versions for __builtin_nested_func_ptr_created, __builtin_nested_func_ptr in libgcc_s.so.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113402 --- Comment #10 from dave.anglin at bell dot net --- Warning is fixed on hppa.

[Bug libstdc++/114316] assert failure with _GLIBCXX_DEBUG and empty range of singular iterators passed to std:: algorithm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114316 --- Comment #2 from GCC Commits --- The master branch has been updated by Francois Dumont : https://gcc.gnu.org/g:07fad7a7fc245369989e9ca746728ea78b924715 commit r14-9507-g07fad7a7fc245369989e9ca746728ea78b924715 Author: François Dumont Date:

[Bug modula2/114296] ICE when attempting to create a constant set with a variable element

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114296 Gaius Mulley changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug modula2/114296] ICE when attempting to create a constant set with a variable element

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114296 --- Comment #2 from GCC Commits --- The master branch has been updated by Gaius Mulley : https://gcc.gnu.org/g:f065c582d9c8e0a4fee7ee563c584ee3b1975bea commit r14-9506-gf065c582d9c8e0a4fee7ee563c584ee3b1975bea Author: Gaius Mulley Date: Sun

[Bug fortran/80012] FIXME in diagnostic "%s procedure at %L is already declared as %s procedure" from symbol.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80012 Anuj Mohite changed: What|Removed |Added CC||anujmohite001 at gmail dot com --- Comment

[Bug c++/66034] Enhancement request: fiber-local storage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66034 --- Comment #3 from Avi Kivity --- Yes, this is relevant to user-level threads, not coroutines.

[Bug d/114155] gdc.test/runnable/literal.d FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114155 --- Comment #2 from Iain Buclaw --- Fix to format hexstrings as big endian has been committed from upstream merge. r14-9505 This should be resolved now.

[Bug target/114175] [13/14] RISC-V: Execution test failures on gcc.dg/c23-stdarg-6.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114175 Xi Ruoyao changed: What|Removed |Added Target|riscv, loongarch, x86_64|riscv, loongarch, x86_64,

[Bug bootstrap/89494] Bootstrap error when using GCC 4.2.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89494 --- Comment #32 from Piotr Kubaj --- (In reply to Iain Sandoe from comment #31) > what is the current situation with this > - what input are we waiting for? > - is the problem now cleared for powerpc64-freebsd? Probably not, but FreeBSD now us

[Bug libstdc++/114367] std::vector constexpr initialization doesn't start lifetime of array members

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114367 --- Comment #3 from Jonathan Wakely --- Yeah this needs to use construct_at

[Bug c++/114275] using std::thread within a templated function in a module fails to compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114275 --- Comment #4 from Nathaniel Shead --- I suspect there are a number of issues tied together here. Some of the things I've discovered so far: - 'tsubst_friend_class' calls 'lookup_name', which when called from a module that doesn't export the c

[Bug c++/66034] Enhancement request: fiber-local storage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66034 --- Comment #2 from Jonathan Wakely --- C++ coroutines are allocated on the heap though. https://wg21.link/p0876 is more relevant here, but not approved yet.

[Bug c++/66034] Enhancement request: fiber-local storage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66034 Andrew Pinski changed: What|Removed |Added Resolution|--- |WONTFIX Status|UNCONFIRMED

[Bug middle-end/60528] GCC puts out floating point constants differently depending on if long is 32bit or 64bit (due to use of long for encode_ieee_double)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60528 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Summary|GCC puts out floati

[Bug target/64753] Redundant cmp instruction on x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64753 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Target Milestone|---

[Bug middle-end/64457] NVCC like features CUDA/OpenCL support for GCC to use GPU's to speed up compile jobs.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64457 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/64053] asm labels to accept extra parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64053 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug testsuite/63297] ASan reported heap-use-after-free in g++.old-deja/g++.law/virtual3.C.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63297 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Keywords|