[Bug lto/104237] [11 Regression] Emitted binary code changes when -g is enabled at -O1 -flto and optimize attribute since r11-3126-ga8f9b4c54cc35062

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104237 --- Comment #9 from Chengnian Sun --- Hi, Could you explain why the flag `-fcompare-debug` does not detect this bug? Is it because the bug is triggered with -flto and -fcompare-debug does not work with -flto? Thanks.

[Bug target/104219] [12 regression] riscv64 compiler build fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104219 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug target/104213] [12 Regression] bogus use-after-free in virtual dtor with -ffat-lto-objects on ARM

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104213 Andrew Pinski changed: What|Removed |Added CC||unlvsur at live dot com --- Comment

[Bug libstdc++/104190] arm-linux-gnueabi shows warnings of use-after-free of libstdc++?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104190 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/104265] Missed vectorization in 526.blender_r

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104265 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug c++/104266] Temporaries with protected destructor are erroneously permitted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104266 --- Comment #3 from Andrew Pinski --- Here is another example: class X { protected: ~X(); friend struct Y; }; struct Y { X x = {}; }; int main() { Y b {}; } But unlike the previous example, this one is rejected by clang in C++14

[Bug c++/104266] Temporaries with protected destructor are erroneously permitted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104266 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug target/104268] z13: inefficient vec_popcnt for 16-bit for z13

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104268 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug debug/104277] New: [meta-bug] gstatement-frontiers causes fcompare-debug issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104277 Bug ID: 104277 Summary: [meta-bug] gstatement-frontiers causes fcompare-debug issues Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords:

[Bug target/100930] PPC: Missing builtins for P9 vextsb2w, vextsb2w, vextsb2d, vextsh2d, vextsw2d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100930 Carl Love changed: What|Removed |Added CC||carll at gcc dot gnu.org --- Comment #3

[Bug tree-optimization/80641] missed optimization with with std::vector resize in loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80641 --- Comment #15 from Andrew Pinski --- This is interesting: _48 = _149 + 18446744073709551612; // _149 - 4 _63 = _55 + _48; _18 = _63 - _55; _19 = _18 /[ex] 4; _20 = (long unsigned int) _19; if (_55 != _63) _18 should be the same as

[Bug tree-optimization/104276] memset is not elimited when followed by a store loop writing to that memory location

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 Andrew Pinski changed: What|Removed |Added Status|RESOLVED|NEW Resolution|DUPLICATE

[Bug tree-optimization/28134] optimize redundant memset + assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28134 Andrew Pinski changed: What|Removed |Added CC||Darrell.Wright at gmail dot com ---

[Bug tree-optimization/104276] memset is not elimited when followed by a store loop writing to that memory location

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/104276] memset is not elimited when followed by a store loop writing to that memory location

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 Andrew Pinski changed: What|Removed |Added Summary|Fail to eliminate deadstore |memset is not elimited when

[Bug tree-optimization/104276] Fail to eliminate deadstore from vector constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 --- Comment #3 from Darrell Wright --- (In reply to Andrew Pinski from comment #2) > >clang is unable to remove the memset in code like > > I think you mean GCC there :). :) both are true. This optimization would remove the need for things

[Bug tree-optimization/104276] Fail to eliminate deadstore from vector constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 --- Comment #2 from Andrew Pinski --- >clang is unable to remove the memset in code like I think you mean GCC there :).

[Bug tree-optimization/104276] Fail to eliminate deadstore from vector constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 --- Comment #1 from Andrew Pinski --- Full testcase: #include #include #include #include #include #define SZ 4096 std::vector foo() { auto result = std::vector(SZ); int *ptr = result.data(); for (std::size_t n = 0; n < SZ; ++n) {

[Bug tree-optimization/104276] Fail to eliminate deadstore from vector constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization

[Bug tree-optimization/98026] optimization dependant on condition order

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98026 --- Comment #5 from Andrew Macleod --- (In reply to Andrew Macleod from comment #4) > > void f4(signed int i,unsigned int j) { > > if (i > 100) return; > > if (j > i) return; > > > > if (j > 100) link_error(); > > if i is -2 (0xfffe)

[Bug c++/104276] New: Fail to eliminate deadstore from vector constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104276 Bug ID: 104276 Summary: Fail to eliminate deadstore from vector constructor Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/98026] optimization dependant on condition order

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98026 --- Comment #4 from Andrew Macleod --- > void f4(signed int i,unsigned int j) { > if (i > 100) return; > if (j > i) return; > > if (j > 100) link_error(); if i is -2 (0xfffe) and j is 0xff (-1) then link error cant be

[Bug analyzer/103872] testcase fail in gcc.dg/analyzer/pr103526.c on riscv64-unknown-elf-gcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103872 Andrew Pinski changed: What|Removed |Added Target|riscv64-unknown-elf |riscv64-unknown-elf

[Bug analyzer/103872] testcase fail in gcc.dg/analyzer/pr103526.c on riscv64-unknown-elf-gcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103872 Andrew Pinski changed: What|Removed |Added CC||danglin at gcc dot gnu.org --- Comment

[Bug analyzer/104273] FAIL: gcc.dg/analyzer/pr103526.c (test for bogus messages, line 31)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104273 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE

[Bug analyzer/104270] -Wanalyzer-use-of-uninitialized-value is incorrectly suppressed by -ftrivial-auto-var-init=

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104270 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug c++/104255] parsing function signature fails when it uses a function parameter outside of an unevaluated context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104255 --- Comment #4 from qingzhe huang --- (In reply to Patrick Palka from comment #2) > > error: use of parameter outside function body before ‘)’ token > > due to 'e' being used outside of an unevaluated context within the signature > of the

[Bug target/104253] libgcc missing __floatdiif

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104253 Michael Meissner changed: What|Removed |Added Attachment #52306|0 |1 is obsolete|

[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 #4 from anlauf at gcc dot gnu.org --- Created attachment 52311 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52311=edit Patch that regtests ok. The patch suggested by the reporter is rather close to this one. We need to

[Bug tree-optimization/103514] Missing XOR-EQ-AND Optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103514 Navid Rahimi changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/103514] Missing XOR-EQ-AND Optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103514 --- Comment #3 from CVS Commits --- The master branch has been updated by Jeff Law : https://gcc.gnu.org/g:cb3ac1985a5332fa811a62844adb33ca140bd4ba commit r12-6928-gcb3ac1985a5332fa811a62844adb33ca140bd4ba Author: Navid Rahimi Date: Fri

[Bug testsuite/99175] FAIL: g++.dg/modules/bad-mapper-1.C -std=c++17 (test for errors, line )

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99175 Andrew Pinski changed: What|Removed |Added Host|hppa*-*-hpux* | Build|hppa*-*-hpux*

[Bug fortran/104228] [9/10/11/12 Regression] ICE in df_install_ref, at df-scan.cc:2294 since r8-3589-g707905d0773e5a8e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104228 Mikael Morin changed: What|Removed |Added CC||mikael at gcc dot gnu.org

[Bug c++/104177] coroutine frame is not being allocated with the correct alignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104177 --- Comment #14 from Luke Dalessandro --- Thanks for the information Iain. Is there something short-term where gcc could provide an "unimplemented" failure or warning diagnostic for requests for coroutine frames with extended alignment? This

[Bug target/104253] libgcc missing __floatdiif

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104253 --- Comment #8 from Michael Meissner --- Yes, you are right. I didn't remember which functions were generated by the compiler, but I just did all of the conversion functions.

[Bug ipa/104275] Os causes some functions which are no-ops not to be inlined in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104275 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |ipa CC|

[Bug c++/104177] coroutine frame is not being allocated with the correct alignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104177 Iain Sandoe changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug tree-optimization/104275] New: Os does not apply return value optimization while O2 and O3 does

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104275 Bug ID: 104275 Summary: Os does not apply return value optimization while O2 and O3 does Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c++/92752] [9/10/11 Regression] Bogus "ignored qualifiers" warning on const-qualified pointer-to-member-function objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92752 Patrick Palka changed: What|Removed |Added Summary|[9/10/11/12 Regression] |[9/10/11 Regression] Bogus

[Bug c++/92752] [9/10/11/12 Regression] Bogus "ignored qualifiers" warning on const-qualified pointer-to-member-function objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92752 --- Comment #2 from CVS Commits --- The master branch has been updated by Patrick Palka : https://gcc.gnu.org/g:e971990cbda091b4caf5e1a5bded5121068934e4 commit r12-6926-ge971990cbda091b4caf5e1a5bded5121068934e4 Author: Patrick Palka Date:

[Bug target/104253] libgcc missing __floatdiif

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104253 --- Comment #7 from Jakub Jelinek --- Conversion from __ibm128 to float/double etc. are done differently, and for si <-> if named tf we want to use di instead. So, shouldn't we just add + set_conv_libfunc (sfix_optab, DImode, mode,

[Bug target/101891] Adjust -fzero-call-used-regs to always use XOR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101891 qinzhao at gcc dot gnu.org changed: What|Removed |Added Last reconfirmed||2022-01-28

[Bug analyzer/104274] New: FAIL: gcc.dg/analyzer/pr97029.c (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104274 Bug ID: 104274 Summary: FAIL: gcc.dg/analyzer/pr97029.c (test for excess errors) Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug analyzer/104273] New: FAIL: gcc.dg/analyzer/pr103526.c (test for bogus messages, line 31)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104273 Bug ID: 104273 Summary: FAIL: gcc.dg/analyzer/pr103526.c (test for bogus messages, line 31) Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c++/104255] parsing function signature fails when it uses a function parameter outside of an unevaluated context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104255 --- Comment #3 from qingzhe huang --- (In reply to Patrick Palka from comment #2) > The error message is obscure, but it seems what GCC has issue with here is > the use of the function parameter seq2 in the trailing return type occurring >

[Bug testsuite/70230] 11 test regressions when building GCC 6 with --enable-default-ssp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70230 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 95424, which changed state. Bug 95424 Summary: Failure to optimize division with numerator of 1 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95424 What|Removed |Added

[Bug tree-optimization/95424] Failure to optimize division with numerator of 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95424 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org

[Bug fortran/104272] New: finalizer gets called during allocate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104272 Bug ID: 104272 Summary: finalizer gets called during allocate Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug target/104253] libgcc missing __floatdiif

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104253 --- Comment #6 from Jakub Jelinek --- (In reply to Michael Meissner from comment #4) > Created attachment 52306 [details] > Patch to use the correct names for __ibm128 converts if long double is IEEE > 128-bit > > The problem was internally

[Bug tree-optimization/95424] Failure to optimize division with numerator of 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95424 --- Comment #7 from CVS Commits --- The master branch has been updated by Jeff Law : https://gcc.gnu.org/g:c2b610e7c6c89fd422c5c31f01023bcddf3cf4a5 commit r12-6924-gc2b610e7c6c89fd422c5c31f01023bcddf3cf4a5 Author: Zhao Wei Liew Date: Fri

[Bug tree-optimization/104269] [12 Regression] Bogus -Wuse-after-free seen in xen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104269 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/102204] OpenMP offload map type restriction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102204 --- Comment #3 from Ye Luo --- I tried today's main 3f0fcda37f58d4108feb67de08f181a32bcb6388. This issue persists. Any chance this will be resolved in 12 release?

[Bug testsuite/99175] FAIL: g++.dg/modules/bad-mapper-1.C -std=c++17 (test for errors, line )

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99175 Andrew Pinski changed: What|Removed |Added Component|c++ |testsuite --- Comment #3 from Andrew

[Bug c++/99175] FAIL: g++.dg/modules/bad-mapper-1.C -std=c++17 (test for errors, line )

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99175 Andrew Pinski changed: What|Removed |Added Component|testsuite |c++ --- Comment #2 from Andrew Pinski

[Bug tree-optimization/104263] [10/11 Regression] '-fcompare-debug' failure (length) w/ -O2 -fnon-call-exceptions -fno-inline-small-functions since r10-3575-g629387a6586a7531

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104263 Jakub Jelinek changed: What|Removed |Added Summary|[10/11/12 Regression] |[10/11 Regression]

[Bug tree-optimization/104263] [10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O2 -fnon-call-exceptions -fno-inline-small-functions since r10-3575-g629387a6586a7531

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104263 --- Comment #10 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:a591c71b41e18e4ff86852a974592af4962aef57 commit r12-6923-ga591c71b41e18e4ff86852a974592af4962aef57 Author: Jakub Jelinek Date:

[Bug tree-optimization/104269] [12 Regression] Bogus -Wuse-after-free seen in xen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104269 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug testsuite/99175] FAIL: g++.dg/modules/bad-mapper-1.C -std=c++17 (test for errors, line )

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99175 John David Anglin changed: What|Removed |Added Host|hppa2.0w-hp-hpux11.11 |hppa*-*-hpux*

[Bug tree-optimization/104269] [12 Regression] Bogus -Wuse-after-free seen in xen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104269 Andrew Pinski changed: What|Removed |Added Keywords||diagnostic Target Milestone|---

[Bug testsuite/70230] 11 test regressions when building GCC 6 with --enable-default-ssp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70230 --- Comment #6 from CVS Commits --- The master branch has been updated by Jeff Law : https://gcc.gnu.org/g:90c31ff339015ddd89ac519656fbd23a36ee6271 commit r12-6922-g90c31ff339015ddd89ac519656fbd23a36ee6271 Author: Allan McRae Date: Fri Jan

[Bug ipa/103171] [12 Regression] ICE Segmentation fault since r12-2523-g13586172d0b70c9d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103171 --- Comment #5 from Martin Jambor --- I have proposed a patch on the mailing list: https://gcc.gnu.org/pipermail/gcc-patches/2022-January/589429.html

[Bug target/104271] New: 538.imagick_r run-time at -Ofast -march=native regressed by 26% on Intel Cascade Lake server CPU

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104271 Bug ID: 104271 Summary: 538.imagick_r run-time at -Ofast -march=native regressed by 26% on Intel Cascade Lake server CPU Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug modula2/101391] Unresolved reference to module getopt

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101391 --- Comment #8 from Gaius Mulley --- Is it okay to close this PR as I've git committed some regression tests to check that cgetopt and (other modules) are present and visible to the linker?

[Bug target/103676] [10/11 Regression] internal compiler error: in extract_constrain_insn, at recog.c:2671

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103676 Jakub Jelinek changed: What|Removed |Added Summary|[10/11/12 Regression] |[10/11 Regression] internal

[Bug middle-end/103616] [9/10/11/12 Regression] ICE on ceph with systemtap macro since r8-5608

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103616 --- Comment #2 from Jakub Jelinek --- #c0 doesn't ICE on the trunk since r12-5944-ga7acb6dca941db2b1c135107dac3a34a20650d5c

[Bug c++/92752] [9/10/11/12 Regression] Bogus "ignored qualifiers" warning on const-qualified pointer-to-member-function objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92752 Patrick Palka changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug fortran/104228] [9/10/11/12 Regression] ICE in df_install_ref, at df-scan.cc:2294 since r8-3589-g707905d0773e5a8e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104228 Jakub Jelinek changed: What|Removed |Added CC||burnus at gcc dot gnu.org --- Comment

[Bug tree-optimization/94801] Failure to optimize narrowed __builtin_clz

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94801 dragan.mladjenovic at syrmia dot com changed: What|Removed |Added CC||dragan.mladjenovic

[Bug rtl-optimization/102178] [12 Regression] SPECFP 2006 470.lbm regressions on AMD Zen CPUs after r12-897-gde56f95afaaa22

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102178 --- Comment #27 from Vladimir Makarov --- (In reply to Richard Biener from comment #17) > So in .reload we have (with unpatched trunk) > > 401: NOTE_INSN_BASIC_BLOCK 6 > 462: ax:DF=[`*.LC0'] > REG_EQUAL

[Bug c++/104266] Temporaries with protected destructor are erroneously permitted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104266 Jiang An changed: What|Removed |Added CC||de34 at live dot cn --- Comment #1 from

[Bug fortran/104228] [9/10/11/12 Regression] ICE in df_install_ref, at df-scan.cc:2294 since r8-3589-g707905d0773e5a8e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104228 --- Comment #4 from Jakub Jelinek --- The .y var is added into the s function with: #0 add_decl_as_local (decl=) at ../../gcc/fortran/trans-decl.cc:257 #1 0x00c054f8 in gfc_finish_var_decl (decl=, sym=0x3e16a00) at

[Bug c++/102449] template parameter with default argument is used without being verified during explicit specialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102449 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org

[Bug c++/101783] unnecessary error when top level cv qualifier is dropped

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101783 Patrick Palka changed: What|Removed |Added Target Milestone|--- |12.0 Resolution|---

[Bug rtl-optimization/102178] [12 Regression] SPECFP 2006 470.lbm regressions on AMD Zen CPUs after r12-897-gde56f95afaaa22

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102178 --- Comment #26 from Vladimir Makarov --- (In reply to Richard Biener from comment #7) > make costs in a way that IRA/LRA prefer re-materialization of constants > from the constant pool over spilling to GPRs (if that's possible at all - >

[Bug fortran/104228] [9/10/11/12 Regression] ICE in df_install_ref, at df-scan.cc:2294 since r8-3589-g707905d0773e5a8e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104228 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug analyzer/104270] New: -Wanalyzer-use-of-uninitialized-value is incorrectly suppressed by -ftrivial-auto-var-init=

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104270 Bug ID: 104270 Summary: -Wanalyzer-use-of-uninitialized-value is incorrectly suppressed by -ftrivial-auto-var-init= Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug middle-end/103483] [12 regression] context-sensitive ranges change triggers stringop-overread

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103483 --- Comment #21 from Jeffrey A. Law --- Yes, the wording is dreadful. Yes we need a better way to express to the user the paths followed and how they impacted the analysis. As for suppressing. There's not a great option here, which isn't a

[Bug c++/104255] parsing trailing return type fails with parameter pack expansion when two parameter packs at present

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104255 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment

[Bug middle-end/103616] [9/10/11/12 Regression] ICE on ceph with systemtap macro since r8-5608

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103616 --- Comment #1 from Vladimir Makarov --- I can not reproduce ICE on this week GCC. Probably it was fixed (or switched off) by some recent RA patch. As for the second issue (code generation for function foo), I thought for some time how it

[Bug tree-optimization/103035] [meta-bug] YARPGen bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103035 Bug 103035 depends on bug 103489, which changed state. Bug 103489 Summary: [11 Regression] ICE with -O3 in operator[], at vec.h:889 since r12-5394-g0fc859f5efcb4624 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103489 What

[Bug tree-optimization/103489] [11 Regression] ICE with -O3 in operator[], at vec.h:889 since r12-5394-g0fc859f5efcb4624

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103489 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/103596] [9/10/11 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:88 since r8-565-g7581ce9a1ad6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103596 --- Comment #7 from CVS Commits --- The releases/gcc-11 branch has been updated by Richard Biener : https://gcc.gnu.org/g:08f594465fa9b6a4ea1e3816cfecf256e883ff53 commit r11-9524-g08f594465fa9b6a4ea1e3816cfecf256e883ff53 Author: Richard

[Bug tree-optimization/103489] [11 Regression] ICE with -O3 in operator[], at vec.h:889 since r12-5394-g0fc859f5efcb4624

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103489 --- Comment #9 from CVS Commits --- The releases/gcc-11 branch has been updated by Richard Biener : https://gcc.gnu.org/g:2c7d8ca8317981c2eb21eb1e85e0f55d3f71aff1 commit r11-9523-g2c7d8ca8317981c2eb21eb1e85e0f55d3f71aff1 Author: Richard

[Bug tree-optimization/104269] New: Bogus -Wuse-after-free seen in xen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104269 Bug ID: 104269 Summary: Bogus -Wuse-after-free seen in xen Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/103341] [11 Regression] ICE type of variable instantiation constrained on template parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103341 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org

[Bug c++/103341] [11/12 Regression] ICE type of variable instantiation constrained on template parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103341 --- Comment #4 from CVS Commits --- The master branch has been updated by Patrick Palka : https://gcc.gnu.org/g:e272cf95ba048fde60b21aee046c9ca9c9264425 commit r12-6919-ge272cf95ba048fde60b21aee046c9ca9c9264425 Author: Patrick Palka Date:

[Bug tree-optimization/104267] [12 Regression] ICE in vect_schedule_slp_node, at tree-vect-slp.c:7144 since r12-5613-g32ede1083fad4b68

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104267 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/104267] [12 Regression] ICE in vect_schedule_slp_node, at tree-vect-slp.c:7144 since r12-5613-g32ede1083fad4b68

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104267 --- Comment #3 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:9ec306582fd60e5b76f07eb81c9ed2415d9a3590 commit r12-6918-g9ec306582fd60e5b76f07eb81c9ed2415d9a3590 Author: Richard Biener Date:

[Bug tree-optimization/104263] [10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O2 -fnon-call-exceptions -fno-inline-small-functions since r10-3575-g629387a6586a7531

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104263 --- Comment #9 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:5b6f04276e3d1f20817ed37b2e26e43bd12cc0d2 commit r12-6917-g5b6f04276e3d1f20817ed37b2e26e43bd12cc0d2 Author: Richard Biener Date:

[Bug debug/103788] [9/10/11/12 Regression] '-fcompare-debug' failure (length) w/ -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103788 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug middle-end/104151] [9/10/11/12 Regression] x86: excessive code generated for 128-bit byteswap

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104151 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug ipa/103830] [12 Regression] null pointer access optimized away by removing function call at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103830 Bernd Edlinger changed: What|Removed |Added Resolution|INVALID |FIXED --- Comment #9 from Bernd

[Bug ipa/103830] [12 Regression] null pointer access optimized away by removing function call at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103830 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug ipa/103830] [12 Regression] null pointer access optimized away by removing function call at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103830 --- Comment #7 from Richard Biener --- A fix in the source would be: void MyClass::call() { volatile char * volatile null = nullptr; *null = 1; /* line 26 */ } which then compiles to movq$0, -8(%rsp) movq

[Bug ipa/103830] [12 Regression] null pointer access optimized away by removing function call at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103830 --- Comment #6 from Richard Biener --- To clarify myself - the testcase is invoking UB, 'volatile' doesn't make a difference here. That we get the DSE as a second-order effect is unfortunate at most, in other places we try to preserve volatile

[Bug target/104172] [9/10 Regression] ppc64le mangling ICE with -flto -ffat-lto-objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104172 Jakub Jelinek changed: What|Removed |Added Summary|[9/10/11/12 Regression] |[9/10 Regression] ppc64le

[Bug c++/104142] [9/10/11/12 Regression] Spurios warning unused-variable on const static variable and defaulted constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104142 Jakub Jelinek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org,

[Bug c++/103790] internal compiler error: Segmentation fault when playing with coroutine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103790 --- Comment #7 from CVS Commits --- The master branch has been updated by Andre Vehreschild : https://gcc.gnu.org/g:26e237fb5b83582b30ef7c5a388bc4e968a5a289 commit r12-6915-g26e237fb5b83582b30ef7c5a388bc4e968a5a289 Author: Andre Vehreschild

[Bug c++/104142] [9/10/11/12 Regression] Spurios warning unused-variable on const static variable and defaulted constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104142 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

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