[Bug target/102421] [12 Regression] ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 --- Comment #4 from Andrew Pinski --- Created attachment 51488 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51488=edit trimmed preprocessed source a lot

[Bug target/102421] [12 Regression] ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 Andrew Pinski changed: What|Removed |Added Summary|ICE with|[12 Regression] ICE with

[Bug target/102421] ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code --- Comment #3 from

[Bug target/102252] svbool_t with SVE can generate invalid assembly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102252 --- Comment #6 from Gilles Gouaillardet --- I am happy to confirm this issue is fixed in the latest 12-20210919 snapshot :-) FWIW, I was not yet able to build GROMACS because of an other issue that was introduced last week. I reported it at

[Bug target/102421] ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 --- Comment #2 from Gilles Gouaillardet --- Created attachment 51487 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51487=edit a trimmed reproducer (FWIW - include files are missing)

[Bug target/102421] ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 --- Comment #1 from Gilles Gouaillardet --- Created attachment 51486 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51486=edit a (compressed) pre-processed reproducer

[Bug target/102421] New: ICE with -march=armv8.2-a+sve -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102421 Bug ID: 102421 Summary: ICE with -march=armv8.2-a+sve -O3 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug libstdc++/102280] span's range deduction guide is missing ranges::contiguous_range constraint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102280 --- Comment #6 from Jonathan Wakely --- I.e. please don't mark it as resolved, I'll do that when it's resolved.

[Bug libstdc++/102280] span's range deduction guide is missing ranges::contiguous_range constraint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102280 --- Comment #5 from Jonathan Wakely --- I've set the Target Milestone field to indicate is going to be fixed for 10.4

[Bug middle-end/50724] cmath's floating-point classification implementations inconsistent with math.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50724 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org ---

[Bug c/54192] -fno-trapping-math by default?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54192 Gabriel Ravier changed: What|Removed |Added CC||gabravier at gmail dot com --- Comment

[Bug c++/94673] [concepts] What is the return type of local parameters of requires expressions?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94673 --- Comment #3 from gcc-bugs at marehr dot dialup.fu-berlin.de --- I think this bug should be changed to a request to improve the diagnostics. The diagnostic says: ``` :13:15: note: constraints not satisfied :8:9: required by the constraints

[Bug c/102415] [12 Regression] ICE in bb_seq_addr, at gimple.h:1786

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102415 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug c++/102414] [12 Regression] ICE in unify_array_domain, at cp/pt.c:23442

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102414 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug c++/99811] ICE: tree check: accessed elt 2 of 'tree_vec' with 1 elts in tsubst_pack_expansion, at cp/pt.c:13002

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99811 Andrew Pinski changed: What|Removed |Added Known to work|11.1.0 | --- Comment #2 from Andrew Pinski ---

[Bug c++/102420] null pointer dereference during constant evaluation not rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102420 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-09-20

[Bug c/79516] [9/10/11/12 Regression] ICE: unspellable token PRAGMA_EOL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79516 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug c/97991] [9/10/11/12 Regression] ICE in c_parser_consume_token, at c/c-parser.c:850

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97991 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/102420] null pointer dereference during constant evaluation not rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102420 Johel Ernesto Guerrero Peña changed: What|Removed |Added Summary|null pointer dereference|null pointer dereference

[Bug c++/102420] New: null pointer dereference constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102420 Bug ID: 102420 Summary: null pointer dereference constant Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: accepts-invalid Severity: normal Priority:

[Bug c++/96638] [9/10/11/12 Regression] ICE in chainon, at tree.c:3169

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96638 --- Comment #4 from Andrew Pinski --- (In reply to Marek Polacek from comment #1) > Even GCC 6 ICEs. I suspect GCC 5 did not ICE, see PR 96637 .

[Bug c++/58109] alignas() fails to compile with constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58109 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0

[Bug c++/59012] alignas does not support parameter pack expansions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59012 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |5.2

[Bug c++/96637] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in cp_check_const_attributes, at cp/decl2.c:1423

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96637 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.5 Summary|ICE in tree

[Bug c++/54367] [meta-bug] lambda expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 89138, which changed state. Bug 89138 Summary: typeof VLA in lambdas https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89138 What|Removed |Added

[Bug c++/16994] [meta-bug] VLA and C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16994 Bug 16994 depends on bug 89138, which changed state. Bug 89138 Summary: typeof VLA in lambdas https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89138 What|Removed |Added

[Bug c++/60855] ICE provoked by a lambda using the sizeof a captured VLA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60855 Andrew Pinski changed: What|Removed |Added CC||su at cs dot ucdavis.edu --- Comment #6

[Bug c++/89138] typeof VLA in lambdas

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89138 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c++/92331] ICE on incorrect code with VLA type inside a local struct type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92331 Andrew Pinski changed: What|Removed |Added Summary|ICE on incorrect code with |ICE on incorrect code with

[Bug preprocessor/82469] ICE in _cpp_process_line_notes, at libcpp/lex.c:1066

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82469 --- Comment #1 from Andrew Pinski --- I cannot even reproduce this on the FSF released GCC 6.3.0 code ...

[Bug preprocessor/69869] [6 Regression] internal compiler error: Segmentation fault in call to skip_macro_block_comment when using '-traditional-cpp'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69869 Andrew Pinski changed: What|Removed |Added Target Milestone|6.5 |7.4

[Bug c++/102419] New: [concepts] [regression] return-type-requirement of "Y" does not check that T::type actually exists

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102419 Bug ID: 102419 Summary: [concepts] [regression] return-type-requirement of "Y" does not check that T::type actually exists Product: gcc Version: 12.0

[Bug c++/94673] [concepts] What is the return type of local parameters of requires expressions?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94673 Arthur O'Dwyer changed: What|Removed |Added CC||arthur.j.odwyer at gmail dot com ---

[Bug c++/81157] If constexpr does not support Short-circuit evaluation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81157 Arthur O'Dwyer changed: What|Removed |Added CC||arthur.j.odwyer at gmail dot com ---

[Bug libstdc++/102280] span's range deduction guide is missing ranges::contiguous_range constraint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102280 --- Comment #4 from Joe Loser --- Johnathan, your fix LGTM. Safe to mark this as resolved, or do you need to do something to backport it for the 10.4 release branch?

[Bug fortran/77652] Invalid rank error in ASSOCIATED when rank is remapped

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77652 sandra at gcc dot gnu.org changed: What|Removed |Added CC||sandra at gcc dot gnu.org

[Bug other/102408] [OpenACC] omp-oacc-neuter-broadcast.cc: random() not available on all platforms

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102408 Thomas Schwinge changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug c++/102418] New: [concepts] prefer iterator to range concept failures in ranges (QoI)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102418 Bug ID: 102418 Summary: [concepts] prefer iterator to range concept failures in ranges (QoI) Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c/102416] [12 Regression] ICE in gimplify_expr, at gimplify.c:15570

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102416 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug c++/102413] [12 Regression] ICE in cp_lexer_consume_token, at cp/parser.c:1172

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102413 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |12.0

[Bug fortran/102417] Wrong error message about character length with -std=f2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102417 --- Comment #1 from G. Steinmetz --- And obviously, works with a single AC : $ cat z0.f90 program p character :: x = 'a' character(4) :: y(3) y = [character(4) :: x, 'b', 'c'] print *, y end $ gfortran-12-20210919 z0.f90

[Bug fortran/102417] New: Wrong error message about character length with -std=f2018

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102417 Bug ID: 102417 Summary: Wrong error message about character length with -std=f2018 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/102315] ICE tree check: expected integer_cst, have save_expr in gfc_trans_array_constructor_value, at fortran/trans-array.c:2056

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102315 --- Comment #3 from G. Steinmetz --- A reduced variant with the same ICE : $ cat z2.f90 program p character :: x = 'a' character :: y(5) y = [[trim(x), 'b', 'c', 'd', 'e']] print *, y end But z1 gives additional hints when

[Bug c/102415] [12 Regression] ICE in bb_seq_addr, at gimple.h:1786

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102415 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Assignee|unassigned

[Bug c/102416] New: [12 Regression] ICE in gimplify_expr, at gimplify.c:15570

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102416 Bug ID: 102416 Summary: [12 Regression] ICE in gimplify_expr, at gimplify.c:15570 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c/102415] New: [12 Regression] ICE in bb_seq_addr, at gimple.h:1786

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102415 Bug ID: 102415 Summary: [12 Regression] ICE in bb_seq_addr, at gimple.h:1786 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/102413] [12 Regression] ICE in cp_lexer_consume_token, at cp/parser.c:1172

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102413 Jakub Jelinek changed: What|Removed |Added Ever confirmed|0 |1 CC|

[Bug c++/102414] New: [12 Regression] ICE in unify_array_domain, at cp/pt.c:23442

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102414 Bug ID: 102414 Summary: [12 Regression] ICE in unify_array_domain, at cp/pt.c:23442 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c++/102413] New: [12 Regression] ICE in cp_lexer_consume_token, at cp/parser.c:1172

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102413 Bug ID: 102413 Summary: [12 Regression] ICE in cp_lexer_consume_token, at cp/parser.c:1172 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug c++/102412] Template argument deduction fails when using concept as defaulted non-type template parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102412 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org

[Bug target/102411] arm/vfp18.c fails with -march=armv7e-m+fp for cortex-m4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102411 --- Comment #1 from Richard Earnshaw --- The AAPCS tests are executable tests, so rely on a number of features of the support libraries (ie libraries compatible with the options used for the compilation). I don't think they should be adding

[Bug ipa/102388] [12 Regression] ICE in duplicate, at ipa-prop.c:4436 since r12-2523-g13586172d0b70c9d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102388 Martin Jambor changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/101940] Implement -Wno-attributes=vendor::attr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101940 --- Comment #5 from Marek Polacek --- Patch posted: https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579858.html

[Bug c++/102412] New: Template argument deduction fails when using concept as defaulted non-type template parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102412 Bug ID: 102412 Summary: Template argument deduction fails when using concept as defaulted non-type template parameter Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug target/102411] New: arm/vfp18.c fails with -march=armv7e-m+fp for cortex-m4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102411 Bug ID: 102411 Summary: arm/vfp18.c fails with -march=armv7e-m+fp for cortex-m4 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/102329] pointer "maybe uninitialized" right after assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102329 --- Comment #6 from Martin Sebor --- In general a program can add an attribute to a system function by redeclaring it with it. This of course needs to be done conditionally on the GCC version that supports the attribute. This in turn can be

[Bug c++/102410] New: parameter pack expansion twice when there is default parameter during template specialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102410 Bug ID: 102410 Summary: parameter pack expansion twice when there is default parameter during template specialization Product: gcc Version: 11.2.0 Status: UNCONFIRMED

[Bug target/102404] Loop vectorized with 32 byte vectors actually uses 16 byte vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102404 --- Comment #4 from Freddie Witherden --- Created attachment 51485 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51485=edit Clang assembly.

[Bug target/102404] Loop vectorized with 32 byte vectors actually uses 16 byte vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102404 --- Comment #3 from Freddie Witherden --- (In reply to Richard Biener from comment #2) > 32 bytes are 256 bits (ymm), 64 bytes are 512 bits (zmm). GCC does not > consider zmm vectorization because > > t.c:25:37: missed: loop does not have

[Bug c++/102409] New: _pragma ("omp ...") expansion issue - placed in the wrong scope

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102409 Bug ID: 102409 Summary: _pragma ("omp ...") expansion issue - placed in the wrong scope Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: wrong-code

[Bug other/102408] New: [OpenACC] omp-oacc-neuter-broadcast.cc: random() not available on all platforms

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102408 Bug ID: 102408 Summary: [OpenACC] omp-oacc-neuter-broadcast.cc: random() not available on all platforms Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug tree-optimization/82494] UBSAN in gcc/tree-data-ref.c:3427:16: runtime error: signed integer overflow: 131072 * -131072 cannot be represented in type 'int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82494 --- Comment #6 from Richard Biener --- (In reply to Andrew Pinski from comment #5) > r9-3927 changed the type from int to HOST_WIDE_INT which is always at least > 64bit ... > > I also wonder if we could use wi::widest_int here. That's

[Bug testsuite/102282] New test cases in r12-3320 fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102282 Eric Botcazou changed: What|Removed |Added Target|powerpc64-linux-gnu,|

[Bug tree-optimization/82426] Missed tree-slp-vectorization on -O2 and -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82426 Richard Biener changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org

[Bug tree-optimization/82494] UBSAN in gcc/tree-data-ref.c:3427:16: runtime error: signed integer overflow: 131072 * -131072 cannot be represented in type 'int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82494 --- Comment #5 from Andrew Pinski --- r9-3927 changed the type from int to HOST_WIDE_INT which is always at least 64bit ... I also wonder if we could use wi::widest_int here.

[Bug rtl-optimization/84345] [9/10/11/12 Regression] ICE: qsort checking failed (error: qsort comparator non-negative on sorted output: 1)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84345 --- Comment #12 from Andrew Pinski --- Note this was not fixed by r8-6634.

[Bug rtl-optimization/83631] ICE: qsort checking failed: qsort comparator non-negative on sorted output: 7 with -fno-sched-rank-heuristic --param=max-sched-extend-regions-iters=4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83631 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Target Milestone|---

[Bug middle-end/81724] ICE in expand_stack_vars

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81724 --- Comment #3 from Andrew Pinski --- I think it comes from round_push. char three[8192] __attribute__ ((aligned (4096))); \ char four[8192] __attribute__ ((aligned (4096)));\

[Bug middle-end/63289] ICE from --param max-vartrack-expr-depth

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63289 --- Comment #6 from Andrew Pinski --- I think this was a stack limit issue. It seemed to be fixed in GCC 6+. The compile time is also cut in half too.

[Bug c++/102401] std::bit_cast falls over, seemingly due to some invisible alignment requirements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102401 Jonathan Wakely changed: What|Removed |Added Depends on||78620 --- Comment #6 from Jonathan

[Bug rtl-optimization/71634] Invalid write with in mark_loops_for_removal (ira-build.c:2256) with --param ira-max-loops-num=0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71634 Andrew Pinski changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #7

[Bug rtl-optimization/48188] ICE: SIGSEGV in remove_unnecessary_regions (ira-build.c:1855) with --param ira-max-loops-num=0 on basic code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48188 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE

[Bug c++/102401] std::bit_cast falls over, seemingly due to some invisible alignment requirements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102401 Jakub Jelinek changed: What|Removed |Added Resolution|INVALID |--- Last reconfirmed|

[Bug target/52877] ARC cross-compiler cc1 fails on "x=-1;"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52877 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/102404] Loop vectorized with 32 byte vectors actually uses 16 byte vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102404 Richard Biener changed: What|Removed |Added Target|x86_64 |x86_64-*-*

[Bug target/52877] ARC cross-compiler cc1 fails on "x=-1;"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52877 Andrew Pinski changed: What|Removed |Added Target Milestone|4.7.0 |--- Status|RESOLVED

[Bug target/52877] ARC cross-compiler cc1 fails on "x=-1;"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52877 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |4.7.0 Status|UNCONFIRMED

[Bug tree-optimization/60914] ICE: SIGSEGV (use after free) in bitmap_obstack_alloc_stat() with -flto -fvtable-verify=preinit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60914 Andrew Pinski changed: What|Removed |Added Known to fail|4.10.0 | --- Comment #4 from Andrew Pinski ---

[Bug c++/102407] New: Ambiguity is not reported in case of separate inheritance of `<` and `<=>` operators

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102407 Bug ID: 102407 Summary: Ambiguity is not reported in case of separate inheritance of `<` and `<=>` operators Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug tree-optimization/102400] Field might miss initialization in vn_reference_insert_pieces()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102400 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/102393] Failure to optimize 2 8-bit stores into a single 16-bit store

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102393 --- Comment #4 from Richard Biener --- SLSR might come to the rescue eventually but same as the other PR, store-merging doesn't perform any advanced DR analysis.

[Bug tree-optimization/102392] Failure to optimize a sign extension to a zero extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102392 --- Comment #4 from Richard Biener --- Note w/o explicit ZEXT_EXPR / SEXT_EXPR the GIMPLE for non-"natural" extensions is more costly (more stmts) than the "natural" extension based on the sign of the object because it requires an intermediate

[Bug tree-optimization/102391] Failure to optimize adjacent 8-bit loads into a single bigger load

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102391 --- Comment #3 from Richard Biener --- the bswap pass is in principle able to handle these but it sees _1 = (sizetype) offset_12(D); _2 = RomHeader_13(D) + _1; _3 = *_2; _4 = (signed short) _3; _5 = _1 + 1; _6 = RomHeader_13(D) +

[Bug tree-optimization/102387] [12 Regression] ICE Segmentation fault since r12-2429-g62acc72a957b5614

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102387 --- Comment #2 from Richard Biener --- Likely a duplicate of PR102385?

[Bug rtl-optimization/100533] [10/11/12 Regression] aarch64: -fcompare-debug failure with -O -fmodulo-sched

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100533 --- Comment #2 from Andrew Pinski --- (code_label # 0 0 3 (nil) [1 uses]) (note # 0 0 [bb 5] NOTE_INSN_BASIC_BLOCK) +(note # 0 0 NOTE_INSN_DELETED) (insn # 0 0 (set (mem:HI (plus:DI (reg/f:DI 2 x2 [102]) (const_int 30

[Bug ipa/101941] [12 Regression] Linux kernel build failure due to retaining fnsplit fragment with __attribute__((__error__))

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101941 --- Comment #9 from DAC324 --- Bug not assigned - looks like it is considered not important to be able to compile the Linux kernel. Am I correct in the assumption that everybody who wants to build their own kernels, should keep using GCC 11,

[Bug debug/94340] [9/10/11/12 Regression] -fcompare-debug -O failure on cpp1z/nodiscard3.C

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94340 --- Comment #5 from Andrew Pinski --- apinski@xeond:~/src/upstream-gcc$ diff -up nodiscard3.C.gkd nodiscard3.gk.C.gkd --- nodiscard3.C.gkd2021-09-20 07:45:03.448528331 + +++ nodiscard3.gk.C.gkd 2021-09-20 07:45:04.373528230 + @@

[Bug preprocessor/19753] different LANG settings and ccache don't work together

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19753 Mark Wielaard changed: What|Removed |Added CC||mark at gcc dot gnu.org --- Comment #4

[Bug rtl-optimization/100533] [10/11/12 Regression] aarch64: -fcompare-debug failure with -O -fmodulo-sched

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100533 Andrew Pinski changed: What|Removed |Added Keywords|wrong-code | Last reconfirmed|

[Bug gcov-profile/100520] [11/12 Regression] ‘-fcompare-debug’ failure with -fprofile-generate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100520 Andrew Pinski changed: What|Removed |Added Target|aarch64, x86_64 | Severity|normal

[Bug debug/100520] [11/12 Regression] ‘-fcompare-debug’ failure with -fprofile-generate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100520 --- Comment #3 from Andrew Pinski --- - __gcov_indirect_call_profiler_v4 (1387117561, f); + __gcov_indirect_call_profiler_v4 (983609665, f);

[Bug debug/100520] [11/12 Regression] ‘-fcompare-debug’ failure with -fprofile-generate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100520 Andrew Pinski changed: What|Removed |Added Known to work||10.3.0 Ever confirmed|0

[Bug debug/100303] [11 Regression] -fcompare-debug failure (length) with -O -fno-dce -ftracer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100303 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug debug/100304] [11/12 Regression] -fcompare-debug failure (length) with custom flags

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100304 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/85057] GCC fails to vectorize code unless dummy loop is added

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85057 Bug 85057 depends on bug 65206, which changed state. Bug 65206 Summary: vectorized version of loop is removed, dependence analysis fails for *[i] vs a[j] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65206 What|Removed

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 65206, which changed state. Bug 65206 Summary: vectorized version of loop is removed, dependence analysis fails for *[i] vs a[j] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65206 What|Removed

[Bug tree-optimization/65206] vectorized version of loop is removed, dependence analysis fails for *[i] vs a[j]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65206 Richard Biener changed: What|Removed |Added Known to work||12.0 Resolution|---

[Bug tree-optimization/65206] vectorized version of loop is removed, dependence analysis fails for *[i] vs a[j]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65206 --- Comment #12 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:f92901a508305f291fcf2acae0825379477724de commit r12-3677-gf92901a508305f291fcf2acae0825379477724de Author: Richard Biener Date:

[Bug debug/96261] -fcompare-debug failure (length) with -Os -fno-gcse-lm -fnon-call-exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96261 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug c++/46580] -fcompare-debug failure with -gstabs -g due to different symbol mangling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46580 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

  1   2   >