[Bug rtl-optimization/98692] Unitialized Values reported only with -Os

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98692 Martin Liška changed: What|Removed |Added Host|powerpcle-*-linux-gnu* |powerpc64le-linux-gnu Build|

[Bug target/97787] [10/11 regression] 64bit mips lto: .symtab local symbol at index x (>= sh_info of y)

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97787 --- Comment #13 from Richard Biener --- (In reply to Xi Ruoyao from comment #9) > (In reply to rguent...@suse.de from comment #8) > > > I guess it is because -mxgot is supposed to be handled by the assembler? > > I see > > > > %{mgp32} %{mgp64}

[Bug target/98549] [11 Regression] ICE in rs6000_emit_le_vsx_store, at config/rs6000/rs6000.c:9938 on powerpc64le-linux-gnu

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98549 --- Comment #11 from Martin Liška --- (In reply to Segher Boessenkool from comment #10) > (And that new test case is full of obvious invalid code as well, fwiw.) Wait here. Changing the code to: long compress_n_blocks = 0; void GOST_34_11::comp

[Bug c++/98719] New: [modules] translating importable standard headers causes various ICEs

2021-01-18 Thread boris at kolpackov dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98719 Bug ID: 98719 Summary: [modules] translating importable standard headers causes various ICEs Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/64290] [F03] No finalization at deallocation of LHS

2021-01-18 Thread drikosev at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64290 --- Comment #5 from Ev Drikos --- Created attachment 49990 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49990&action=edit realloc_class_8.f95 Hello, Having seen a Note in F2018 draft, specifically 10.2.1.3 Interpretation of intrinsic as

[Bug c++/98719] [modules] translating importable standard headers causes various ICEs

2021-01-18 Thread boris at kolpackov dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98719 --- Comment #1 from Boris Kolpackov --- Created attachment 49991 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49991&action=edit build transcript

[Bug c++/98707] ICE using std::string in a module partition

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98707 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org,

[Bug c++/98720] New: [modules] update __cpp_modules value

2021-01-18 Thread boris at kolpackov dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98720 Bug ID: 98720 Summary: [modules] update __cpp_modules value Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/98718] [modules] use of partitions causes ICE in write_macro_maps

2021-01-18 Thread boris at kolpackov dot net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98718 --- Comment #1 from Boris Kolpackov --- Perhaps this is the same bug but with a simpler reproducer (it points to the same location): cat

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 Martin Liška changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug middle-end/98715] ICE in make_decl_rtl with double variable length array (VLA)

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98715 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW CC|

[Bug tree-optimization/98721] New: [11 Regression] ICE in c_tree_printer at /gcc/c/c-objc-common.c:314 since r11-5523-geafe8ee7af13c398

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98721 Bug ID: 98721 Summary: [11 Regression] ICE in c_tree_printer at /gcc/c/c-objc-common.c:314 since r11-5523-geafe8ee7af13c398 Product: gcc Version: 11.0

[Bug tree-optimization/98721] [11 Regression] ICE in c_tree_printer at /gcc/c/c-objc-common.c:314 since r11-5523-geafe8ee7af13c398

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98721 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/98721] [11 Regression] ICE in c_tree_printer at /gcc/c/c-objc-common.c:314 since r11-5523-geafe8ee7af13c398

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98721 --- Comment #1 from Martin Liška --- Where both these 2 objects are null: (gdb) p sizestr $7 = "0", '\000' , "\060\316\377\377\377\177\000\000P\316\377\377\377\177\000\000\210#\000\000\000\000\000\000\230\373;\367\377\177\000\000\000wF\367\377\1

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread roger at nextmovesoftware dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com --- Com

[Bug tree-optimization/98703] Failure to optimize out non-zero check after multiplication overflow check

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98703 Richard Biener changed: What|Removed |Added Blocks||85316 --- Comment #1 from Richard Biene

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #3 from Richard Biener --- A well-predicted branch will be faster than the cmov because of the shorter data dependence path.

[Bug tree-optimization/98703] Failure to optimize out non-zero check after multiplication overflow check

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98703 Jakub Jelinek changed: What|Removed |Added CC||amacleod at redhat dot com,

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 Richard Biener changed: What|Removed |Added Target Milestone|--- |11.0 Priority|P3

[Bug tree-optimization/98721] [11 Regression] ICE in c_tree_printer at /gcc/c/c-objc-common.c:314 since r11-5523-geafe8ee7af13c398

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98721 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[Bug target/98694] [11 Regression] GCC produces incorrect code for loops with -O3 for skylake-avx512 and icelake-server

2021-01-18 Thread crazylht at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98694 --- Comment #7 from Hongtao.liu --- Another testcase reproduce the same issue. #include typedef short v4hi __attribute__ ((vector_size (8))); typedef int v2si __attribute__ ((vector_size (8))); v4hi b; __attribute__ ((noipa)) v2si foo (__m512i

[Bug rtl-optimization/98722] New: [11 Regression] ICE in lra_set_insn_recog_data, at lra.c:1004 since r11-6615-gcf2ac1c30af0fa783c8d72e527904dda5d8cc330

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98722 Bug ID: 98722 Summary: [11 Regression] ICE in lra_set_insn_recog_data, at lra.c:1004 since r11-6615-gcf2ac1c30af0fa783c8d72e527904dda5d8cc330 Product: gcc Version

[Bug rtl-optimization/98722] [11 Regression] ICE in lra_set_insn_recog_data, at lra.c:1004 since r11-6615-gcf2ac1c30af0fa783c8d72e527904dda5d8cc330

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98722 Martin Liška changed: What|Removed |Added Last reconfirmed||2021-01-18 Known to fail|

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #4 from Uroš Bizjak --- Please see PR 56309 (and PR 85559 meta bug). Quote from Honza: The decision on whether to use cmov or jmp was always tricky on x86 architectures. Cmov increase dependency chains, register pressure (both value

[Bug tree-optimization/98673] pass fre4 inhibit pass dom3 to create much more optimized code

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98673 Richard Biener changed: What|Removed |Added Known to work||8.4.0 --- Comment #4 from Richard Biene

[Bug tree-optimization/98268] ICE: verify_gimple failed with LTO and SVE

2021-01-18 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98268 --- Comment #3 from Alex Coplan --- Adding --param=aarch64-autovec-preference=3 I can reproduce the ICE on trunk.

[Bug tree-optimization/98095] Optimize __builtin_unordered (...) || __builtin_is{less,greater}{,equal}

2021-01-18 Thread roger at nextmovesoftware dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98095 Roger Sayle changed: What|Removed |Added Last reconfirmed||2021-01-18 CC|

[Bug tree-optimization/96974] [10/11 Regression] ICE in vect_get_vector_types_for_stmt compiling for SVE

2021-01-18 Thread stammark at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96974 --- Comment #3 from Stam Markianos-Wright --- Just started looking at this. I've narrowed it as the bug appearing with commit 9b75f56d4b7951c60a6563964a65787b95bc. I have yet to fire this up in gdb to see what's happening, but one test I did

[Bug debug/98708] [11 Regression] cxx11-ios_failure-lt.s:36733: Error: file number less than one by r11-6755

2021-01-18 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98708 --- Comment #17 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:2e43880dbd4cb9722ae99708c01c399f985dc7c3 commit r11-6765-g2e43880dbd4cb9722ae99708c01c399f985dc7c3 Author: Jakub Jelinek Date: M

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread david.bolvansky at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #5 from Dávid Bolvanský --- User knows the data better, so he/she may prefer abs with branch. Also PGO may say that branch for abs is better based on profile data.

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #6

[Bug libstdc++/98723] New: On Windows with CP936 encoding, regex compiles very slow.

2021-01-18 Thread goughostt at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98723 Bug ID: 98723 Summary: On Windows with CP936 encoding, regex compiles very slow. Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Pri

[Bug tree-optimization/96974] [10/11 Regression] ICE in vect_get_vector_types_for_stmt compiling for SVE

2021-01-18 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96974 --- Comment #4 from rsandifo at gcc dot gnu.org --- (In reply to Stam Markianos-Wright from comment #3) > Just started looking at this. I've narrowed it as the bug appearing with > commit 9b75f56d4b7951c60a6563964a65787b95bc. > > I have yet

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 --- Comment #2 from Jakub Jelinek --- The failed asan tests are all with -flto, and the changes in the output are from: WRITE of size 1 at 0x7ffeab2b5d8a thread T0 #0 0x401288 in foo /home/jakub/src/gcc/gcc/testsuite/c-c++-common/asan/alloca_

[Bug ada/98724] New: [11 Regression] gnat build failure on alpha-linux-gnu

2021-01-18 Thread doko at debian dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98724 Bug ID: 98724 Summary: [11 Regression] gnat build failure on alpha-linux-gnu Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compone

[Bug tree-optimization/98268] [10 Regression] ICE: verify_gimple failed with LTO and SVE

2021-01-18 Thread ktkachov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98268 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Priority|P3

[Bug rtl-optimization/98722] [11 Regression] ICE in lra_set_insn_recog_data, at lra.c:1004 since r11-6615-gcf2ac1c30af0fa783c8d72e527904dda5d8cc330

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98722 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Keywords|

[Bug tree-optimization/98268] [10 Regression] ICE: verify_gimple failed with LTO and SVE

2021-01-18 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98268 --- Comment #5 from Alex Coplan --- Ah, sorry, I hit this with a VLA compile on trunk, so the full command line is: $ aarch64-elf-gcc a.c b.c -flto -O1 -ftree-vectorize -march=armv8.2-a+sve --param=aarch64-autovec-preference=3 with the above so

[Bug tree-optimization/98268] [10/11 Regression] ICE: verify_gimple failed with LTO and SVE

2021-01-18 Thread ktkachov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98268 ktkachov at gcc dot gnu.org changed: What|Removed |Added Summary|[10 Regression] ICE:|[10/11 Regression] ICE:

[Bug libstdc++/98723] On Windows with CP936 encoding, regex compiles very slow.

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98723 Jonathan Wakely changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug libstdc++/98725] New: Review what is disabled in libstdc++ by --disable-wchar_t

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98725 Bug ID: 98725 Summary: Review what is disabled in libstdc++ by --disable-wchar_t Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: enhancement

[Bug ada/98724] [11 Regression] gnat build failure on alpha-linux-gnu

2021-01-18 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98724 --- Comment #1 from Uroš Bizjak --- Sorry, I don't have access to alpha anymore. (And I'm surprised that gnat even builds, because I've never tried.)

[Bug libstdc++/98723] On Windows with CP936 encoding, regex compiles very slow.

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98723 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|NEW --- Comment #1 from Jonathan Wakel

[Bug tree-optimization/98726] New: aarch64: tree check: expected integer_cst, have poly_int_cst in to_wide, at tree.h:5984

2021-01-18 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98726 Bug ID: 98726 Summary: aarch64: tree check: expected integer_cst, have poly_int_cst in to_wide, at tree.h:5984 Product: gcc Version: 11.0 Status: UNCONFIRMED Se

[Bug tree-optimization/98726] SVE: tree check: expected integer_cst, have poly_int_cst in to_wide, at tree.h:5984

2021-01-18 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98726 Alex Coplan changed: What|Removed |Added Target Milestone|--- |11.0 Known to fail|

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread roger at nextmovesoftware dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #7 from Roger Sayle --- I agree in the general case, a conditional jump (that depends only on the condition flags) potentially has a shorter dependence chain than a cmov (which depends on the condition flags and two registers). But i

[Bug tree-optimization/98726] [10/11 Regression] SVE: tree check: expected integer_cst, have poly_int_cst in to_wide, at tree.h:5984

2021-01-18 Thread ktkachov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98726 ktkachov at gcc dot gnu.org changed: What|Removed |Added Known to work||9.3.1 Status|UN

[Bug tree-optimization/98727] New: [11 Regression] Miscompiled signed overflow check since r11-6580

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98727 Bug ID: 98727 Summary: [11 Regression] Miscompiled signed overflow check since r11-6580 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/98727] [11 Regression] Miscompiled signed overflow check since r11-6580

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98727 Jakub Jelinek changed: What|Removed |Added Last reconfirmed||2021-01-18 Ever confirmed|0

[Bug tree-optimization/98727] [11 Regression] Miscompiled signed overflow check since r11-6580

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98727 --- Comment #1 from Jakub Jelinek --- Created attachment 49992 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49992&action=edit gcc11-pr98727.patch Untested fix.

[Bug ada/98724] [11 Regression] gnat build failure on alpha-linux-gnu

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98724 Richard Biener changed: What|Removed |Added Target Milestone|--- |11.0

[Bug debug/98728] New: [11 regression] Several debug tests FAIL with DWARF-5

2021-01-18 Thread ro at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98728 Bug ID: 98728 Summary: [11 regression] Several debug tests FAIL with DWARF-5 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compone

[Bug tree-optimization/98727] [11 Regression] Miscompiled signed overflow check since r11-6580

2021-01-18 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98727 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #2

[Bug debug/98728] [11 regression] Several debug tests FAIL with DWARF-5

2021-01-18 Thread ro at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98728 Rainer Orth changed: What|Removed |Added Target Milestone|--- |11.0

[Bug ipa/98594] [11 Regression] IPA modref codegen bug

2021-01-18 Thread hubicka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98594 Jan Hubicka changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |hubicka at gcc dot gnu.org

[Bug target/79437] Redundant move instruction when getting sign bit of double on 32-bit architecture

2021-01-18 Thread mizvekov at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79437 --- Comment #5 from Matheus Izvekov --- Issue is still present on 10.2 and trunk. Workspace for reference: https://godbolt.org/z/EYhaaW I believe this issue should have already been transitioned to CONFIRMED.

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 --- Comment #3 from Jakub Jelinek --- So, seems when asan alloca_big_alignment test is built with -gdwarf-4 -flto, we have: Offset: 0x57 Length: 214 DWARF Version: 4 Prologue Length:

[Bug tree-optimization/96974] [10/11 Regression] ICE in vect_get_vector_types_for_stmt compiling for SVE

2021-01-18 Thread stammark at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96974 --- Comment #5 from Stam Markianos-Wright --- (In reply to rsand...@gcc.gnu.org from comment #4) > (In reply to Stam Markianos-Wright from comment #3) > > Just started looking at this. I've narrowed it as the bug appearing with > > commit 9b75f56

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug testsuite/97299] [11 regression] gcc.dg/vect/slp-reduc-3.c fails after r11-3563

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97299 --- Comment #2 from Richard Biener --- Just noting that while gcc-testresults has almost daily results of GCC 8,9,10 branches for ppc64le-linux trunk is only daily tested on ppc64-aix

[Bug tree-optimization/98727] [11 Regression] Miscompiled signed overflow check since r11-6580

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98727 --- Comment #3 from Jakub Jelinek --- Serge noticed LLVM miscompilation and bisected to my change and then with instrumented GCC found two possible compilation units, and I've eyeballed the differences on one of those and spotted the bug in the .

[Bug tree-optimization/96974] [10/11 Regression] ICE in vect_get_vector_types_for_stmt compiling for SVE

2021-01-18 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96974 --- Comment #6 from rsandifo at gcc dot gnu.org --- (In reply to Stam Markianos-Wright from comment #5) > I'm tempted to try and add a reverse: > > || multiple_p (*stmt_vectype_out, nunits_vectype) > > And then regtest, but I probably ne

[Bug testsuite/97299] [11 regression] gcc.dg/vect/slp-reduc-3.c fails after r11-3563

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97299 --- Comment #3 from Richard Biener --- OK, so this is a bad interaction of pattern detection and SLP reduction vectorization. We're detecting /home/rguenther/src/trunk/gcc/testsuite/gcc.dg/vect/slp-reduc-3.c:26:14: note: widen_sum pattern rec

[Bug tree-optimization/96974] [10/11 Regression] ICE in vect_get_vector_types_for_stmt compiling for SVE

2021-01-18 Thread stammark at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96974 --- Comment #7 from Stam Markianos-Wright --- (In reply to rsand...@gcc.gnu.org from comment #6) > (In reply to Stam Markianos-Wright from comment #5) > > I'm tempted to try and add a reverse: > > > > || multiple_p (*stmt_vectype_out, nunits

[Bug testsuite/97299] [11 regression] gcc.dg/vect/slp-reduc-3.c fails after r11-3563

2021-01-18 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97299 --- Comment #4 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:104304cd246e9e8cd874f6cef7e2a5cd4bb0114d commit r11-6767-g104304cd246e9e8cd874f6cef7e2a5cd4bb0114d Author: Richard Biener Date:

[Bug testsuite/97299] [11 regression] gcc.dg/vect/slp-reduc-3.c fails after r11-3563

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97299 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/97494] [11 regression] several vector test case failures starting with r11-3966

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97494 --- Comment #4 from Richard Biener --- OK, so for gcc.dg/vect/slp-11b.c we're now doing hybrid vectorization if a { 0 2 1 } load permute is supported. The reason this is needed is that out[i*4] = (in[i*4] + 2) * 3; out[i*4 + 1] = (i

[Bug middle-end/98713] Failure to generate branch version of abs if user requested it

2021-01-18 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98713 --- Comment #8 from Jakub Jelinek --- This is specific to x86, where if the inputs are inpredictable and results aren't consumed too early that the cmov latency kills performance cmov sometimes improves performance a lot, on the other side, if th

[Bug tree-optimization/97494] [11 regression] several vector test case failures starting with r11-3966

2021-01-18 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97494 --- Comment #5 from Richard Biener --- I guess this folding detail wasn't what the original testcase was supposed to test. Doing out[i*4] = (in[i*4] + 2) * 3; out[i*4 + 1] = (in[i*4 + 2] + 2) * 7; out[i*4 + 2] = (in[i*4 + 1] +

[Bug tree-optimization/97494] [11 regression] several vector test case failures starting with r11-3966

2021-01-18 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97494 --- Comment #6 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:e393f03b1a73d75901d1bc49c99123bdf534e120 commit r11-6770-ge393f03b1a73d75901d1bc49c99123bdf534e120 Author: Richard Biener Date:

[Bug libstdc++/98725] Review what is disabled in libstdc++ by --disable-wchar_t

2021-01-18 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98725 --- Comment #1 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:ec153f96f8943f1d2418d2248ed219358990bb5f commit r11-6771-gec153f96f8943f1d2418d2248ed219358990bb5f Author: Jonathan Wakely Date:

[Bug libstdc++/98725] Review what is disabled in libstdc++ by --disable-wchar_t

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98725 Jonathan Wakely changed: What|Removed |Added Last reconfirmed||2021-01-18 Assignee|unassign

[Bug c/98729] New: GCC 11 MinGW Windows build doesn't generate working PE executables

2021-01-18 Thread brechtsanders at users dot sourceforge.net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98729 Bug ID: 98729 Summary: GCC 11 MinGW Windows build doesn't generate working PE executables Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/98723] On Windows with CP936 encoding, regex compiles very slow.

2021-01-18 Thread goughostt at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98723 --- Comment #2 from goughost --- That may be acceptable for issue 2. But additional fixes are need; otherwise, users cannot use regex after calling setlocale(LC_ALL,"") in such a situation. Can regex compilers work without calling _M_transform? (

[Bug target/98730] New: vceqzq_p64 does not generate vceq with immediate 0

2021-01-18 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98730 Bug ID: 98730 Summary: vceqzq_p64 does not generate vceq with immediate 0 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c/98729] GCC 11 MinGW Windows build doesn't generate working PE executables

2021-01-18 Thread brechtsanders at users dot sourceforge.net via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98729 --- Comment #1 from Brecht Sanders --- I have discovered that adding `-s` to the above build command or stripping the .exe file with `strip` does allow it to run. So probably something is messed up in the debugging symbols section.

[Bug debug/98728] [11 regression] Several debug tests FAIL with DWARF-5

2021-01-18 Thread mark at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98728 Mark Wielaard changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug target/98730] vceqzq_p64 does not generate vceq with immediate 0

2021-01-18 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98730 --- Comment #1 from Christophe Lyon --- Why does it choose alternative 0 instead of 1 which matches a vector of constant zeros?

[Bug target/98731] New: s390x: Large classes of std::bitset and std::vector hash the same

2021-01-18 Thread doko at debian dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98731 Bug ID: 98731 Summary: s390x: Large classes of std::bitset and std::vector hash the same Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug libbacktrace/98732] New: libbacktrace could not find executable to open

2021-01-18 Thread jettzheng at foxmail dot com via Gcc-bugs
needed gcc version: GNU C++20 (GCC) version 11.0.0 20210118 (experimental) (x86_64-w64-mingw32) compiled by GNU C version 10.2.1 20201125, GMP version 6.2.0, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.22-GMP system type: Windows 10 Insider Preview Dev Channel Build 21286.1000 64-bit

[Bug rtl-optimization/98692] Unitialized Values reported only with -Os

2021-01-18 Thread acsawdey at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98692 --- Comment #7 from acsawdey at gcc dot gnu.org --- The inline expansion should be disabled by -Os, the patterns for cmpstr[n]si both have this: if (optimize_insn_for_size_p ()) FAIL;

[Bug c++/95608] c++20 wrong code for defaulted equality comparison on array member variables

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95608 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org Resolu

[Bug c++/93480] Defaulted <=> doesn't expand array elements

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93480 Patrick Palka changed: What|Removed |Added CC||vermaelen.wouter at gmail dot com --- C

[Bug c++/88604] Initializing constexpr array consumes all memory

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88604 Patrick Palka changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c++/96197] Excess memory consumption, positive correlation with the size of a constexpr array

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96197 Patrick Palka changed: What|Removed |Added CC||gcc-bugs at oxyware dot com --- Comment

[Bug testsuite/97987] FAIL: gcc.c-torture/compile/asmgoto-2.c

2021-01-18 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97987 --- Comment #2 from CVS Commits --- The master branch has been updated by John David Anglin : https://gcc.gnu.org/g:76c1dd15e4a056a59a13b2208af23a6bd67c2682 commit r11-6774-g76c1dd15e4a056a59a13b2208af23a6bd67c2682 Author: John David Anglin Da

[Bug testsuite/97987] FAIL: gcc.c-torture/compile/asmgoto-2.c

2021-01-18 Thread danglin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97987 John David Anglin changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/95262] Taking address of function pointer doesn't do full concept overload resolution

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95262 Patrick Palka changed: What|Removed |Added Target Milestone|--- |10.3 Resolution|---

[Bug c++/67491] [meta-bug] concepts issues

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 68372, which changed state. Bug 68372 Summary: [concepts] invalid use of pack expansion expression in member function template declaration https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68372 What|Removed

[Bug c++/68372] [concepts] invalid use of pack expansion expression in member function template declaration

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68372 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org Target Miles

[Bug other/98733] New: libiberty (v)asprintf checks do not work if asprintf() is a macro

2021-01-18 Thread tbaeder at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98733 Bug ID: 98733 Summary: libiberty (v)asprintf checks do not work if asprintf() is a macro Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug c++/96821] [concepts] Incorrect evaluation of concept with ill-formed expression

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96821 Patrick Palka changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/98729] GCC 11 MinGW Windows build doesn't generate working PE executables

2021-01-18 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98729 Andrew Pinski changed: What|Removed |Added Component|c |target --- Comment #2 from Andrew Pinski

[Bug c++/96410] A lambda with a template parameter list inside the template function using C++20 requires clauses is not usable in a constant expression

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96410 Patrick Palka changed: What|Removed |Added Target Milestone|10.3|11.0

[Bug c++/97402] Value of dependent partial-concept-id is not usable in a constant expression

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97402 Patrick Palka changed: What|Removed |Added Resolution|--- |DUPLICATE Status|ASSIGNED

[Bug c++/96444] Incorrect satisfaction value of placeholder type constraint on variable with non-dependent initializer

2021-01-18 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96444 Patrick Palka changed: What|Removed |Added CC||ed at catmur dot uk --- Comment #1 from

[Bug c++/98687] [11 Regression] ICE tree check: expected tree that contains ‘decl minimal’ structure, have ‘overload’ in diagnose_name_conflict, at cp/name-lookup.c:2729 since r11-6652-g796ead19f85372

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98687 Jonathan Wakely changed: What|Removed |Added CC||redi at gcc dot gnu.org --- Comment #4

[Bug c++/98687] [11 Regression] ICE tree check: expected tree that contains ‘decl minimal’ structure, have ‘overload’ in diagnose_name_conflict, at cp/name-lookup.c:2729 since r11-6652-g796ead19f85372

2021-01-18 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98687 --- Comment #5 from Jonathan Wakely --- And the patch at https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563562.html fixes the Boost build.

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread ian at airs dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 Ian Lance Taylor changed: What|Removed |Added CC||ian at airs dot com --- Comment #5 fr

[Bug debug/98716] [11 Regression] sanitizer regressions by r11-6755

2021-01-18 Thread ian at airs dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98716 --- Comment #6 from Ian Lance Taylor --- On the other hand the libbacktrace testsuite now fails when using dwz 0.13+20201015-2. But I guess that is not a GCC problem. dwz -m b3test_dwz_common.debug b3test_dwz_1 b3test_dwz_2 dwz: b3test_dwz_1: U

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