[Bug tree-optimization/105665] [12/13 Regression] wrong code at -Os and above on x86_64-linux-gnu since r12-397-gda9e6e63d1ae22

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105665 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug target/81652] [meta-bug] -fcf-protection=full bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81652 Bug 81652 depends on bug 85620, which changed state. Bug 85620 Summary: Missing ENDBR after swapcontext https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85620 What|Removed |Added

[Bug middle-end/85620] Missing ENDBR after swapcontext

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85620 Alexandre Oliva changed: What|Removed |Added Resolution|FIXED |--- Status|RESOLVED

[Bug target/83782] [10/11 Regression] Inconsistent address for hidden ifunc in a shared library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83782 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/81708] The x86 stack canary location should be customizable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708 Alexandre Oliva changed: What|Removed |Added Status|RESOLVED|REOPENED CC|

[Bug debug/101454] New: debug info for unreachable var forces another var to be output

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101454 Bug ID: 101454 Summary: debug info for unreachable var forces another var to be output Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug middle-end/94988] [11 Regression] FAIL: gcc.target/i386/pr64110.c scan-assembler vmovd[\\t ]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94988 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug middle-end/94988] [11 Regression] FAIL: gcc.target/i386/pr64110.c scan-assembler vmovd[\\t ]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94988 --- Comment #10 from Alexandre Oliva --- Reasoning that the concurrent stores invoke undefined behavior would enable us to assume that the stores don't alias, which invalidates the reasoning in comment 1. Alas, I don't think gimple preserves eno

[Bug target/111935] gcc ICE with risc-v vector intrinsics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111935 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/114137] ICE when building lua-5.4.6 with -fharden-control-flow-redundancy on x86 (error: invalid rtl sharing found in the insn)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114137 --- Comment #6 from Alexandre Oliva --- Thanks for the report. Something's very rotten here. cfrvisited is an automatic variable, why oh why would we have GOTOFF unspecs for it?!? I'd be interested in a preprocessed testcase that will trigger

[Bug middle-end/112938] ice with -fstrub=internal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112938 --- Comment #10 from Alexandre Oliva --- Thanks, yeah, I can duplicate the problem using the original testcase.

[Bug debug/113777] ICE: in add_child_die_after, at dwarf2out.cc:5785 with -g -fsso-struct=big-endian and __attribute__((__hardbool__))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113777 --- Comment #1 from Alexandre Oliva --- Eric, I think this is yours. It fails while trying to add a reversed version of the hbool type to the context of the struct, but the struct doesn't have children yet, and add_child_die_after requires the

[Bug target/114059] ICE in extract_insn, at recog.cc:2812 | sme2 vs -fsanitize=address -mtrack-speculation -fharden-control-flow-redundancy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114059 --- Comment #1 from Alexandre Oliva --- ISTM that -fharden-control-flow-redundancy is only instrumental to trigger the latent problem, but the real problem is in the back end: aarch64_restore_za emits a aarch64_cbnedi1 unconditionally, but insn

[Bug rtl-optimization/113660] ICE: verify_flow_info failed: missing REG_EH_REGION note at the end of bb 2 with -fnon-call-exceptions -fharden-control-flow-redundancy on invalid

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113660 --- Comment #1 from Alexandre Oliva --- There's nothing specific about -fharden-control-flow-redundancy here, FWIW. ISTM that it just adds enough EH-related stuff to the function that an EH note gets attached to the impossible asm, a stmt then

[Bug inline-asm/10153] [3.3/3.4 regression] selection of %dil or %sil on ia32 by valid C source

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10153 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug d/115295] [15 regression] Various gdc testsuite regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115295 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug preprocessor/109183] [regression?] since GCC 11.1, -MM -MMD generates "a-" prefixed dependency files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109183 --- Comment #3 from Alexandre Oliva --- dump files now consistently take the base name from the output name, when not overridden since in this case gcc is called for (compiling and) linking, and the final output name is a.* (.out or .exe, depen

[Bug debug/108784] '-fcompare-debug' failure (length) w/ --param ira-simple-lra-insn-threshold=1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108784 --- Comment #2 from Alexandre Oliva --- Hello, Arseny, I have a hunch this could possibly be related with fixed bug 108573. Is this one by any chance fixed for you?

[Bug c++/108602] FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2b (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108602 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug c++/108602] FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2b (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108602 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/112580] [14 Regression]: g++.dg/modules/xtreme-header-4_b.C et al; ICE tree check: expected class 'type', have 'declaration'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112580 Alexandre Oliva changed: What|Removed |Added CC||danglin at gcc dot gnu.org --- Commen

[Bug middle-end/112938] ice with -fstrub=internal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112938 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|REOPENED

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 --- Comment #8 from Alexandre Oliva --- -fsigned-char works around the fail on affected targets. I couldn't trigger it on arm-eabi, alas, not even with -funsigned-char.

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 --- Comment #10 from Alexandre Oliva --- FWIW, I can trigger the problem on arm-eabi (and presumably also on aarch64-elf, but I haven't tried that) with -D__clang__. (our vxworks toolchains have to define that macro, for complicated reasons) h

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 --- Comment #11 from Alexandre Oliva --- it's the first test for __clang__ in __int_for_sizeof(), that ends up returning char() rather than _Schar(). I guess that places the problem entirely on our need for defining __clang__ :-( Sorry about t

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 --- Comment #14 from Alexandre Oliva --- Thanks. The other problem the testcase in this PR evidenced was that simd_math.h and simd_scalar.h seem to disregard _GLIBCXX_USE_C99_MATH_TR1, and on newlib-using targets, that don't declare in math.h e

[Bug tree-optimization/115177] incorrect TBAA for derived types involving hardbool types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115177 --- Comment #4 from Alexandre Oliva --- One could argue either way. As a hardened type, discouraging aliasing that would bypass the hardening could also make sense. It was modeled after Ada, whose aliasing is much stricter, but I guess in C it

[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803 --- Comment #16 from Alexandre Oliva --- That macro is used within libstdc++ to avoid relying on C99 functions when the target C library is not C99-compliant. It involves leaving out C++ standard bits that would depend on functions that the C l

[Bug middle-end/111904] Miscompilation with -O3 -fharden-control-flow-redundancy?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111904 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/111520] [14 Regression] ICE: verify_flow_info failed (error: probability of edge 3->8 not initialized) with -O -fsignaling-nans -fharden-compares -fnon-call-exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111520 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug middle-end/111942] ICE in rtl_split_edge, at cfgrtl.cc:1943 on pr98096.c with new -fharden-control-flow-redundancy with asm goto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111942 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/111943] ICE in gimple_split_edge, at tree-cfg.cc:3019 on 20050510-1.c with new -fharden-control-flow-redundancy with computed gotos

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111943 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/111520] [14 Regression] ICE: verify_flow_info failed (error: probability of edge 3->8 not initialized) with -O -fsignaling-nans -fharden-compares -fnon-call-exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111520 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/109411] missing debug information with statement frontiers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109411 --- Comment #2 from Alexandre Oliva --- AFAICT there are mentions to test.h line numbers both with and without -gstatement-frontiers, and the mentions are the same. The problem is two-fold: - there aren't any stmt markers for the lines in the

[Bug tree-optimization/111943] ICE in gimple_split_edge, at tree-cfg.cc:3019 on 20050510-1.c with new -fharden-control-flow-redundancy with computed gotos

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111943 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/110807] [13 Regression] Copy list initialisation of a vector raises a warning with -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110807 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug debug/107169] [13/14 Regression] -fcompare-debug failure at -O and above since r13-2921-gf1adf45b17f7f1ed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107169 --- Comment #5 from Alexandre Oliva --- It looks like r14-5257-g61d2b4746300a604469df15789194d0a7c73791b fixes this.

[Bug driver/108865] gcc on Windows fails with Unicode path to source file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108865 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/112411] ICE: SIGSEGV with --param=min-nondebug-insn-uid=2147483647 on powerpc64le-unknown-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112411 --- Comment #4 from Alexandre Oliva --- yeah, its intended use case is for debugging -fcompare-debug fails, reducing superfluous differences between rtl dumps. In theory GCC may overflow insn uids regardless of this param, and if guarding again

[Bug libstdc++/112858] [14 Regression] nvptx: 'unresolved symbol __cxa_thread_atexit_impl'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112858 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #6 from Alexandr

[Bug target/112334] ICE in gen_untyped_return arm.md:9197 while compiling harden-cfr-bret.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112334 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug middle-end/112784] ICE in smallest_mode_for_size, at stor-layout.cc:356 | -finline-stringops -mavx512cd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112784 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/112804] ICE in aarch64 crosscompiler in plus_constant, at explow.cc:102 with -mabi=ilp32 and -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112804 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/112778] ICE in ppc64-linux-gnu crosscompiler in store_by_pieces since r14-5946-g1ff6d9f7428b06

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112778 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug middle-end/112917] Most strub execution tests FAIL on SPARC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112917 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug libstdc++/109822] Converting std::experimental::simd masks yields an error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109822 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug middle-end/112938] ice with -fstrub=internal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112938 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug target/112804] ICE in aarch64 crosscompiler in plus_constant, at explow.cc:102 with -mabi=ilp32 and -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112804 --- Comment #4 from Alexandre Oliva --- Fixed. Thanks for the notes and testing, Andrew, here and in the mailing list.

[Bug middle-end/112784] ICE in smallest_mode_for_size, at stor-layout.cc:356 | -finline-stringops -mavx512cd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112784 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/112778] ICE in ppc64-linux-gnu crosscompiler in store_by_pieces since r14-5946-g1ff6d9f7428b06

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112778 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/112938] ice with -fstrub=internal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112938 --- Comment #4 from Alexandre Oliva --- Patch at https://gcc.gnu.org/pipermail/gcc-patches/2023-December/640252.html

[Bug target/112334] ICE in gen_untyped_return arm.md:9197 while compiling harden-cfr-bret.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112334 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/112917] Most strub execution tests FAIL on SPARC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112917 --- Comment #2 from Alexandre Oliva --- Nevermind, I've managed to log into the cfarm machines running solaris/sparc.

[Bug middle-end/112917] Most strub execution tests FAIL on SPARC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112917 --- Comment #4 from Alexandre Oliva --- Ok, I understand the issues now. The problem on sparc32 is indeed the large register save area that __strub_leave allocates, that overlaps with stack space it's expected to scrub, and that thus doesn't ge

[Bug middle-end/112938] ice with -fstrub=internal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112938 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/113002] ICE in commit_one_edge_insertion, at cfgrtl.cc:2095 with new -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113002 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug rtl-optimization/113002] ICE in commit_one_edge_insertion, at cfgrtl.cc:2095 with new -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113002 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org ---

[Bug rtl-optimization/113002] ICE in commit_one_edge_insertion, at cfgrtl.cc:2095 with new -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113002 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/112917] Most strub execution tests FAIL on SPARC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112917 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/113394] ICE: 'verify_type' failed: type variant with 'TYPE_ALIAS_SET_KNOWN_P' with -fstrub=internal -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113394 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org L

[Bug debug/113394] ICE: 'verify_type' failed: type variant with 'TYPE_ALIAS_SET_KNOWN_P' with -fstrub=internal -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113394 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug d/115295] [15 regression] Various gdc testsuite regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115295 --- Comment #2 from Alexandre Oliva --- Ugh, it looks like D deviates from one of the fundamental assumptions behind the change, namely, that for each named source file, the compiler would attempt to generate one (set of) output files, so when n

[Bug d/115295] [15 regression] Various gdc testsuite regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115295 --- Comment #4 from Alexandre Oliva --- Created attachment 58410 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58410&action=edit candidate patch This patch reverts dg-additional-sources to the earlier behavior, in which sources are added

[Bug middle-end/115459] [14/15 regression] Alpha/Linux ICE: in gen_rtx_SUBREG, at emit-rtl.cc:1032 around g-debpoo.adb:1896:8, as from r14-1187-gd6b756447cd5

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115459 Alexandre Oliva changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/113681] [14 Regression] ICE in tree_profiling, at tree-profile.cc:803 since r14-6201-gf0a90c7d7333fc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113681 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug target/113719] [13/14/15 regression] g++.target/i386/pr103696.C FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113719 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug target/113719] [13/14 regression] g++.target/i386/pr103696.C FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113719 Alexandre Oliva changed: What|Removed |Added Summary|[13/14/15 regression] |[13/14 regression]

[Bug c/115848] ICE: 'verify_type' failed with -flto and strub attribute and typedef of the function type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115848 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #2 from Alexandr

[Bug debug/95574] line table entry in sequence with address after sequence

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95574 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/113719] [13/14 regression] g++.target/i386/pr103696.C FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113719 --- Comment #16 from Alexandre Oliva --- Ok, I'd tested the backports on gcc-13 recently, so I'm going to install both patches in both gcc-13 and gcc-14, the latter under the assumption that if it works in gcc-13 and trunk, it will be fine for g

[Bug target/113719] [13/14 regression] g++.target/i386/pr103696.C FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113719 Alexandre Oliva changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/115459] [14 regression] Alpha/Linux ICE: in gen_rtx_SUBREG, at emit-rtl.cc:1032 around g-debpoo.adb:1896:8, as from r14-1187-gd6b756447cd5

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115459 --- Comment #9 from Alexandre Oliva --- Ditto

[Bug target/55212] [SH] Switch to LRA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #277 from Alexandre Oliva --- Created attachment 59153 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59153&action=edit [lra] take scratch as implicit unused output reloads > * call_pcrel patterns: match_scratch can cause ICE f

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104277 --- Comment #3 from Alexandre Oliva --- Unlikely :-( I haven't been involved with that work for over 5 years. Without debug info consumer support, the notes are hardly useful, and AFAIK that support is not forthcoming, so my recommendation has

[Bug tree-optimization/117723] [15 Regression] Miscompile with -O1+ since r15-5003-gae074c69fd5aff

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117723 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug tree-optimization/117723] [15 Regression] Miscompile with -O1+ since r15-5003-gae074c69fd5aff

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117723 --- Comment #8 from Alexandre Oliva --- Yes, thanks, fixed.

[Bug middle-end/118006] ICE when building rr-5.8.0 with -fstrub=all (RTL check: expected elt 2 type 'B', have '0' (rtx barrier) in BLOCK_FOR_INSN, at rtl.h:1499)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118006 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/118186] [15 regression] FAIL: gcc.dg/field-merge-16.c scan-tree-dump-times ifcombine "optimizing" 6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118186 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Assignee|unassigne

[Bug tree-optimization/118206] [15 regression] libdeflate miscompiled by ifcombine since r15-6360-g6d5df5133c5dd8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118206 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #11 from Alexand

[Bug tree-optimization/118344] [15 regression] Crash at -O3 in ifcombine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118344 Alexandre Oliva changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/88443] [meta-bug] bogus/missing -Wstringop-overflow warnings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 118504, which changed state. Bug 118504 Summary: Bogus -Wstringop-overflow warning on simple memcpy type loop https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118504 What|Removed |Added

[Bug tree-optimization/113524] FAIL: gcc.dg/torture/pr113026-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for bogus messages, line 10)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113524 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug tree-optimization/118504] Bogus -Wstringop-overflow warning on simple memcpy type loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118504 Alexandre Oliva changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIR

[Bug tree-optimization/113524] FAIL: gcc.dg/torture/pr113026-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for bogus messages, line 10)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113524 --- Comment #6 from Alexandre Oliva --- Also on arm-eabi, loongarch64-linux-gnu, and sparc-leon3-elf, from bug 118504.

[Bug tree-optimization/118706] [15 Regression] ICE on valid code at -O1 and above with "-fno-tree-fre" on x86_64-linux-gnu: in make_bit_field_load, at gimple-fold.cc:7862 since r15-7171

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118706 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug tree-optimization/117915] [15 Regression] ICE on valid code at -O{s,2,3} with "-fno-tree-copy-prop -fno-tree-vrp" on x86_64-linux-gnu: tree check: expected ssa_name, have integer_cst in ifcombine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117915 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org ---

[Bug tree-optimization/118025] [15 Regression] gcc.dg/field-merge-9.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118025 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org ---

[Bug tree-optimization/118046] [15 Regression] wrong code at -O{2, 3} on x86_64-linux-gnu since r15-6173-ge8febb641415fd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118046 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org ---

[Bug middle-end/113506] ICE: RTL check: expected elt 2 type 'B', have '0' (rtx barrier) in BLOCK_FOR_INSN, at rtl.h:1495 with -Os -fno-tree-coalesce-vars -finline-stringops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113506 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org L

[Bug middle-end/118007] ICE when building ruby-3.2.5 with -fstrub=all

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118007 Alexandre Oliva changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org

[Bug middle-end/118006] ICE when building rr-5.8.0 with -fstrub=all (RTL check: expected elt 2 type 'B', have '0' (rtx barrier) in BLOCK_FOR_INSN, at rtl.h:1499)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118006 Alexandre Oliva changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug target/117920] ICE: in maybe_record_trace_start, at dwarf2cfi.cc:2591 with -O2 -fharden-conditional-branches -mstackrealign --param=max-grow-copy-bb-insns=32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117920 Alexandre Oliva changed: What|Removed |Added Last reconfirmed||2024-12-18 Assignee|unassig

[Bug tree-optimization/118064] [15 regression] Miscompilation at -O1 since r15-6173-ge8febb641415fd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118064 Alexandre Oliva changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/118081] [15 regression] wrong code at -O{s,2,3} with "-fno-tree-vrp -fno-expensive-optimizations" on x86_64-linux-gnu since r15-6173

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118081 Alexandre Oliva changed: What|Removed |Added CC||yunboni at smail dot nju.edu.cn --- C

[Bug target/117920] Duplication of -mstackrealign sequence breaks CFI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117920 Alexandre Oliva changed: What|Removed |Added Assignee|aoliva at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug tree-optimization/118046] [15 Regression] wrong code at -O{2, 3} on x86_64-linux-gnu since r15-6173-ge8febb641415fd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118046 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug testsuite/118025] [15 Regression] gcc.dg/field-merge-9.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118025 --- Comment #5 from Alexandre Oliva --- The original reported problem is fixed. I'm keeping the PR open to look into the AVR and PRU fails mentioned in comment 2, though they seem to be an entirely different problem.

[Bug tree-optimization/117915] [15 Regression] ICE on valid code at -O{s,2,3} with "-fno-tree-copy-prop -fno-tree-vrp" on x86_64-linux-gnu: tree check: expected ssa_name, have integer_cst in ifcombine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117915 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/118032] [15 regression] Bootstrap slowdown for risc-v

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118032 --- Comment #18 from Alexandre Oliva --- Created attachment 59915 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59915&action=edit add options to control the new ifcombine features This may be useful to figure out whether it's ifcombine t

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