[Bug c++/91780] Discrepancy between gcc 7.4, through 9.2, compared to clang.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91780 --- Comment #10 from Mikael Persson --- Thats great. Saw the dates on the other pr, jikes this has been around a while. Testing z.containers_[0]->i is clever, ill add a test for that ( or more generally z.containers_[0]->begin(), static_assert i

[Bug ipa/103766] [12 Regression] Initialization of variable passed via static chain is lost.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103766 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug ipa/103766] [12 Regression] Initialization of variable passed via static chain is lost.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103766 --- Comment #2 from Andrew Pinski --- I tried to reproduce it with the following GNU C code but it still worked:struct __st_parameter_dt { const char *filename ; int linenum; int flags; int unit; }; [[gnu::noinline, gnu::access(read_only

[Bug middle-end/65289] [9/10/11/12 regression] ICE when compiling libjpegturbo with -floop-nest-optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65289 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Keywords|

[Bug fortran/86120] ICE caused by unassociated pointer in SIZE intrinsic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86120 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-invalid-code Component|m

[Bug middle-end/67946] Function multiversioning ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67946 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0 Known to work|

[Bug middle-end/50790] ICE in copy_constant on divide by expression that evaluates to zero

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50790 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug target/49910] "internal compiler error: in redirect_jump, at jump.c:1485" when build ppl-0.11.2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49910 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug other/53928] use tar.xz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53928 Andrew Pinski changed: What|Removed |Added Known to fail||6.3.0, 7.1.0 Target Milestone|8.0

[Bug libstdc++/103755] {has,use}_facet() and iostream constructor performance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103755 --- Comment #6 from Dmitry Prokoptsev --- That would also work, I suppose (it even outperforms my original approach by a tiny bit -- 33 ns for v2 vs 36 for my original implementation). There are a few build errors in the alternative implementat

[Bug other/53928] use tar.xz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53928 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libstdc++/103755] {has,use}_facet() and iostream constructor performance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103755 --- Comment #5 from Dmitry Prokoptsev --- Created attachment 52029 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52029&action=edit Build fix for alternative implementation v2.

[Bug other/103767] libiberty.a built with -fPIC is never going to be installed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103767 Andrew Pinski changed: What|Removed |Added Keywords||documentation --- Comment #1 from Andre

[Bug other/103767] New: libiberty.a built with -fPIC is never going to be installed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103767 Bug ID: 103767 Summary: libiberty.a built with -fPIC is never going to be installed Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug rtl-optimization/80126] df_ref_change_reg_with_loc does not update hard_regs_live_count

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80126 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-12-19 Keywords|

[Bug rtl-optimization/67441] Scheduler unable to disambiguate memory references in unrolled loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67441 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug rtl-optimization/69557] [ARM] revsh instruction not being conditionalised for Thumb2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69557 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2016-03-1

[Bug rtl-optimization/37471] Move invariant pulls too many cmps out of a loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37471 --- Comment #7 from Andrew Pinski --- I Notice LLVM does similarly on this testcase too.

[Bug rtl-optimization/37471] Move invariant pulls too many cmps out of a loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37471 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last reconfirmed|2015-11-2

[Bug rtl-optimization/68150] postreload-gcse ignores partially clobbered registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68150 --- Comment #1 from Andrew Pinski --- I am shocked I have not seen this yet on aarch64 where HARD_REGNO_CALL_PART_CLOBBERED is done for the vector/fpu registers as we only save the bottom 64bits ...

[Bug middle-end/49157] Unnecessary stack save/restore code generated for a leaf function (arm-elf-gcc)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49157 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug middle-end/53861] Assignment of an array element from pointer is not taken as ARRAY_TYPE when expand_assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53861 Andrew Pinski changed: What|Removed |Added Component|rtl-optimization|middle-end Keywords|

[Bug middle-end/101926] [meta-bug] struct/complex argument passing and return should be improved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101926 Bug 101926 depends on bug 65912, which changed state. Bug 65912 Summary: x_rtl.x_frame_offset not updated after frame related insn deleted https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65912 What|Removed |Added

[Bug target/47562] [meta-bug] keep track of Neon Intrinsics enhancements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47562 Bug 47562 depends on bug 65912, which changed state. Bug 65912 Summary: x_rtl.x_frame_offset not updated after frame related insn deleted https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65912 What|Removed |Added -

[Bug middle-end/65912] x_rtl.x_frame_offset not updated after frame related insn deleted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65912 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug middle-end/54585] stack space allocated but never used when calling functions that return structs in registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54585 Andrew Pinski changed: What|Removed |Added Component|rtl-optimization|middle-end Severity|normal

[Bug tree-optimization/103765] Missed arithmetic simplification for multiplication + division

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103765 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/103765] Missed arithmetic simplification for multiplication + division

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103765 --- Comment #1 from Andrew Pinski --- (In reply to Jeremy R. from comment #0) > This would be a good enhancement, and I'd also be interested to learn why > this strange behavior is occurring. The reason for the difference is most likely because

[Bug fortran/103766] [12 Regression] Initialization of variable passed via static chain is lost.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103766 --- Comment #1 from Iain Sandoe --- example optimised tree dump: O0 ;; Function sub (sub.0, funcdef_no=1, decl_uid=2979, cgraph_uid=1, symbol_order=0) __attribute__((fn spec (". "))) void sub () { struct __st_parameter_dt dt_parm.0; real(k

[Bug fortran/103766] [12 Regression] Initialization of variable passed via static chain is lost.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103766 Iain Sandoe changed: What|Removed |Added Known to work||10.3.0, 11.1.0 Target Milestone|---

[Bug fortran/103766] New: [12 Regression] Initialization of variable passed via static chain is lost.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103766 Bug ID: 103766 Summary: [12 Regression] Initialization of variable passed via static chain is lost. Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: no

[Bug tree-optimization/103765] New: Missed arithmetic simplification for multiplication + division

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103765 Bug ID: 103765 Summary: Missed arithmetic simplification for multiplication + division Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug rtl-optimization/52000] cross-jumping drops MEM attributes even when it makes no changes to the code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52000 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug rtl-optimization/50037] Unroll factor exceeds max trip count

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50037 --- Comment #9 from Andrew Pinski --- On the trunk, I see no loop at all for the original testcase at -O3. At -O2 -ftree-vectorize, I do see the loop but when I add -funroll-loops, the loop is completely unrolled at the gimple level. So maybe th

[Bug rtl-optimization/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 --- Comment #10 from H.J. Lu --- (In reply to Florian Weimer from comment #9) > glibc cannot easily work around such unexpected relocations for static or > hidden variables. Static PIE currently requires PI_STATIC_AND_HIDDEN, and > with the GCC

[Bug c++/103764] Global std::string constructor not called

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103764 --- Comment #3 from Jean-Michaël Celerier --- Wops, sorry for the noise, forgot that shared libs were "executable"

[Bug rtl-optimization/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 Florian Weimer changed: What|Removed |Added CC||fw at gcc dot gnu.org --- Comment #9 f

[Bug c++/103760] Invalid expression inside lambda inside compound requirement causes an error instead of concept satisfaction failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103760 Andrew Pinski changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug c++/103764] Global std::string constructor not called

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103764 --- Comment #2 from Jonathan Wakely --- And as expected, Clang gives the same results.

[Bug fortran/103412] [10/11/12 Regression] ICE: Invalid expression in gfc_element_size since r10-2083-g8dc63166e0b85954

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103412 anlauf at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu

[Bug fortran/103412] [10/11/12 Regression] ICE: Invalid expression in gfc_element_size since r10-2083-g8dc63166e0b85954

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103412 --- Comment #6 from CVS Commits --- The master branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:fd74a2ee40456a1d1621e88738f8e57536194080 commit r12-6059-gfd74a2ee40456a1d1621e88738f8e57536194080 Author: Harald Anlauf Date: S

[Bug c++/103764] Global std::string constructor not called

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103764 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/103745] Warn on throwing an exception not derived from std::exception

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103745 --- Comment #3 from Jonathan Wakely --- I don't think so. What -Wexceptions warns about is almost always a bug (why would you write a shadowed catch handler that can never catch anything?). But the choice of whether to only throw things derived

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 H.J. Lu changed: What|Removed |Added CC||ubizjak at gmail dot com, |

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #7

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 H.J. Lu changed: What|Removed |Added See Also||https://sourceware.org/bugz

[Bug c++/103764] New: Global std::string constructor not called

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103764 Bug ID: 103764 Summary: Global std::string constructor not called Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug testsuite/103763] New: [12 regression] gcc.target/powerpc/fold-vec-splat-floatdouble.c fails after r12-5988

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103763 Bug ID: 103763 Summary: [12 regression] gcc.target/powerpc/fold-vec-splat-floatdouble.c fails after r12-5988 Product: gcc Version: 12.0 Status: UNCON

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 H.J. Lu changed: What|Removed |Added Keywords||ra --- Comment #5 from H.J. Lu --- LRA turns

[Bug c++/103760] Invalid expression inside lambda inside compound requirement causes an error instead of concept satisfaction failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103760 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment #

[Bug c++/82894] [9/10/11/12 Regression] Inherited member functions do not create ambiguity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82894 Patrick Palka changed: What|Removed |Added Keywords|needs-bisection | CC|

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 --- Comment #4 from H.J. Lu --- Good __tunables_init code: .L35: movq$-88, %rax leaqtunable_list(%rip), %rbx movq%r8, %r12 subq%rbx, %rax movq%rax, %r15 Bad __tunables_init code:

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 --- Comment #3 from H.J. Lu --- Created attachment 52028 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52028&action=edit A testcase There are dl-tunables.i good.s bad.s. Compiler options are -std=gnu11 -fgnu89-inline -O2 -g -Wall -Wwr

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 --- Comment #2 from H.J. Lu --- Good: There are 16 section headers, starting at offset 0x21d8: Section Headers: [Nr] Name TypeAddress OffSize ES Flg Lk Inf Al [ 0] NULL0

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 --- Comment #1 from H.J. Lu --- elf/dl-tunables.c is miscompiled by -fpie.

[Bug middle-end/103762] [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 H.J. Lu changed: What|Removed |Added Target Milestone|--- |12.0 Last reconfirmed|

[Bug middle-end/103762] New: [12 Regression] glibc master branch is miscompiled by r12-897

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103762 Bug ID: 103762 Summary: [12 Regression] glibc master branch is miscompiled by r12-897 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug target/103611] GCC generates suboptimal code for SSE2/SSE4.1 64-bit integer element extraction on 32-bit x86 targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103611 --- Comment #6 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:31048012db98f5ec9c2ba537bfd850374bdd771f commit r12-6058-g31048012db98f5ec9c2ba537bfd850374bdd771f Author: Roger Sayle Date: Sat D

[Bug target/80286] [5/6 Regression] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 --- Comment #13 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:31048012db98f5ec9c2ba537bfd850374bdd771f commit r12-6058-g31048012db98f5ec9c2ba537bfd850374bdd771f Author: Roger Sayle Date: Sat D

[Bug target/32803] -Os: shorter load immediates for x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32803 --- Comment #9 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:e742722f76c70be303248da7ca4842198d4fd1cc commit r12-6057-ge742722f76c70be303248da7ca4842198d4fd1cc Author: Roger Sayle Date: Sat De

[Bug c++/103358] what is the first constructor argument of lambda coroutine promise_type?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103358 --- Comment #2 from Net Can --- (In reply to Iain Sandoe from comment #1) > There was a long discussion about this between the various WG21 paper > authors. > > The stated intend was that 'this' pointer and the 'lambda object pointer' > were in

[Bug tree-optimization/99756] bogus -Wmaybe-uninitialized with a use conditional that's a subset of a defining conditional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99756 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug c/96054] RFE: __attribute__((fatal))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96054 --- Comment #1 from Eric Gallager --- (In reply to H. Peter Anvin from comment #0) > __attribute__((error)) and __attribute__((warning)) are useful, but have, in > some places, poor semantics. __attribute__((error)) produces an error. __attribut

[Bug c++/103745] Warn on throwing an exception not derived from std::exception

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103745 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org --- Commen

[Bug c/30368] missing warning for dereferencing null pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30368 Eric Gallager changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug middle-end/62029] Requesting new warning: missing const-qualifier

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62029 Eric Gallager changed: What|Removed |Added Blocks||87403 CC|

[Bug tree-optimization/103759] [12 Regression] memcpy-chk failure for 32 bits

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103759 --- Comment #3 from CVS Commits --- The master branch has been updated by Siddhesh Poyarekar : https://gcc.gnu.org/g:cc032ec1ecb34b006f42e170ccb9d76aa42fd8eb commit r12-6056-gcc032ec1ecb34b006f42e170ccb9d76aa42fd8eb Author: Siddhesh Poyarekar

[Bug fortran/69929] Internal compiler error GCC$ ATTRIBUTES STDCALL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69929 Francois-Xavier Coudert changed: What|Removed |Added CC||fxcoudert at gcc dot gnu.org -

[Bug fortran/95165] Since 9.1 we do have ISO_Fortran_binding.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95165 Francois-Xavier Coudert changed: What|Removed |Added Target Milestone|--- |12.0 Status|NEW

[Bug tree-optimization/40635] [12 Regression] bogus name and location in 'may be used uninitialized' warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40635 --- Comment #20 from Andrew Pinski --- Note one thing I Noticed is the with the testcase in comment #0 to reproduce the PHI-OPT issue I need to use the following options: "-O2 -Wall -g0 -fdisable-tree-threadfull1". jump threading actually is ab

[Bug tree-optimization/103724] [9/10/11/12 Regression] invalid warning: iteration 7 invokes undefined behavior

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103724 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.5 Status|UNCONFIRMED

[Bug tree-optimization/103725] [9/10/11/12 Regression] warning: assuming signed overflow does not occur when simplifying conditional to constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103725 Andrew Pinski changed: What|Removed |Added Known to work||7.1.0, 7.5.0 Known to fail|

[Bug tree-optimization/103725] warning: assuming signed overflow does not occur when simplifying conditional to constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103725 --- Comment #1 from Andrew Pinski --- #1 0x018fa008 in simplify_using_ranges::vrp_evaluate_conditional (this=0x7fffd510, code=LE_EXPR, op0=, op1=, stmt=) at /home/apinski/src/upstream-gcc/gcc/gcc/vr-values.c:2383 #2 0x015e5

[Bug libfortran/95177] error: array subscript has type char

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95177 Francois-Xavier Coudert changed: What|Removed |Added Target Milestone|--- |12.0

[Bug libfortran/95177] error: array subscript has type char

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95177 Francois-Xavier Coudert changed: What|Removed |Added Resolution|--- |FIXED Status|NEW