[Bug middle-end/61577] [4.9.0 Regression] can't compile on hp-ux v3 ia64

2020-02-25 Thread dave.anglin at bell dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577 --- Comment #203 from dave.anglin at bell dot net --- On 2020-02-25 12:56 a.m., peter.bisroev at groundlabs dot com wrote: > Now looking at the main.o generated by gcc, the relocation seems to be as > expected but the relocation address seems to b

[Bug rtl-optimization/93908] [8/9/10 Regression] git miscompilation on s390x-linux with -O2 -march=zEC12 -mtune=z13 starting with r8-1288

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93908 --- Comment #5 from CVS Commits --- The releases/gcc-8 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:d9814ee5972b48eb67a7af171957d1a285453f46 commit r8-10063-gd9814ee5972b48eb67a7af171957d1a285453f46 Author: Jakub Jelinek Da

[Bug rtl-optimization/93908] [8/9/10 Regression] git miscompilation on s390x-linux with -O2 -march=zEC12 -mtune=z13 starting with r8-1288

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93908 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

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

2020-02-25 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #118 from John Paul Adrian Glaubitz --- Is there anything that currently speaks against switching to LRA by default now? I think, it would be a good idea for gcc-11 or even gcc-10 if possible. I will report all issues I'm running int

[Bug middle-end/93806] Wrong optimization: instability of floating-point results with -funsafe-math-optimizations leads to nonsense

2020-02-25 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93806 --- Comment #31 from rguenther at suse dot de --- On Tue, 25 Feb 2020, vincent-gcc at vinc17 dot net wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93806 > > --- Comment #28 from Vincent Lefèvre --- > A slightly modified version of the

[Bug ipa/93763] [10 Regression] ice in propagate_vals_across_arith_jfunc, at ipa-cp.c:2039

2020-02-25 Thread dcb314 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93763 --- Comment #11 from David Binderman --- (In reply to Jakub Jelinek from comment #10) > Really depends on the original source, but e.g. if the original testcase > doesn't have any warnings, then it would be better for the reduction script > to av

[Bug middle-end/93806] Wrong optimization: instability of floating-point results with -funsafe-math-optimizations leads to nonsense

2020-02-25 Thread bugdal at aerifal dot cx
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93806 --- Comment #32 from Rich Felker --- > A slightly modified version of the example, showing the issue with GCC 5 to 7 > (as the noipa attribute directive has been added in GCC 8): Note that __attribute__((__weak__)) necessarily applies noipa and

[Bug rtl-optimization/93565] [9/10 regression] Combine duplicates instructions

2020-02-25 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93565 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2 CC|

[Bug tree-optimization/93820] [9/10 Regression] wrong code at -O3 on x86_64-linux-gnu since r9-1732

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93820 Jakub Jelinek changed: What|Removed |Added Summary|[9/10 Regression] wrong |[9/10 Regression] wrong

[Bug tree-optimization/93820] [8/9/10 Regression] wrong code at -O3 on x86_64-linux-gnu since r9-1732

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93820 Jakub Jelinek changed: What|Removed |Added Target Milestone|10.0|8.4 Summary|[9/10 Regression]

[Bug c++/93929] New: In copy elision cases, fallback to lvalue even if rvalue overload resolution succeeds

2020-02-25 Thread barry.revzin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93929 Bug ID: 93929 Summary: In copy elision cases, fallback to lvalue even if rvalue overload resolution succeeds Product: gcc Version: 10.0 Status: UNCONFIRMED Seve

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

2020-02-25 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #119 from Oleg Endo --- (In reply to John Paul Adrian Glaubitz from comment #118) > Is there anything that currently speaks against switching to LRA by default > now? There were a couple of code quality issues, which I would need to

[Bug target/93877] [9/10 Regression] [SH] webkit2gtk fails to build with "internal compiler error: in extract_constrain_insn, at recog.c:2211"

2020-02-25 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93877 --- Comment #6 from Oleg Endo --- (In reply to John Paul Adrian Glaubitz from comment #5) > Hmm, there is one other source code file within webkit2gtk where > -fno-move-loop-invariants does not help. I can only get that particular > source file t

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

2020-02-25 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #120 from John Paul Adrian Glaubitz --- (In reply to Oleg Endo from comment #119) > Last time this issue came up, I asked you to re-build all debian with -mlra > enabled > > https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00977.html >

[Bug target/93877] [9/10 Regression] [SH] webkit2gtk fails to build with "internal compiler error: in extract_constrain_insn, at recog.c:2211"

2020-02-25 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93877 --- Comment #7 from John Paul Adrian Glaubitz --- Created attachment 47907 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47907&action=edit Source and preprocessed source plus assembly, second case Here are the saved temps for the second c

[Bug target/93877] [9/10 Regression] [SH] webkit2gtk fails to build with "internal compiler error: in extract_constrain_insn, at recog.c:2211"

2020-02-25 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93877 --- Comment #8 from John Paul Adrian Glaubitz --- The second case compiles fine with gcc-8 as well, but fails with g++-9 and g++-10.

[Bug tree-optimization/21485] [8/9/10 Regression] missed load PRE, PRE makes i?88/9/10 suck

2020-02-25 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21485 --- Comment #69 from Jeffrey A. Law --- So while gcc-10 improves things relative to gcc-9. THe gcc-3.4 code is still far and away better. On my box: gcc-10 1725-1775 gcc-3.4 3000-3050 Clearly it's not even close.

[Bug tree-optimization/93843] [10 Regression] wrong code at -O3 on x86_64-linux-gnu

2020-02-25 Thread kretz at kde dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93843 --- Comment #7 from Matthias Kretz (Vir) --- This one exhibits the issue without -ftree-vectorize (`-O1` suffices) (cf. https://godbolt.org/z/Swx-jW): using M [[gnu::vector_size(2)]] = char; using MM [[gnu::vector_size(4)]] = short; MM cvt(M x)

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2020-02-25 Thread schools
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[Bug middle-end/61577] [4.9.0 Regression] can't compile on hp-ux v3 ia64

2020-02-25 Thread peter.bisroev at groundlabs dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577 --- Comment #204 from Peter Bisroev --- (In reply to dave.anglin from comment #203) > On 2020-02-25 12:56 a.m., peter.bisroev at groundlabs dot com wrote: > > Now looking at the main.o generated by gcc, the relocation seems to be as > > expected

[Bug libfortran/93871] COTAN is slow for complex types

2020-02-25 Thread sgk at troutmask dot apl.washington.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 --- Comment #22 from Steve Kargl --- On Tue, Feb 25, 2020 at 07:32:31AM +, thenlich at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 > > --- Comment #21 from Thomas Henlich --- > One should also ask: What is th

[Bug c++/93106] [c++2a] Deleted move constructor is not selected when returning an automatic variable

2020-02-25 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93106 Jonathan Wakely changed: What|Removed |Added CC||barry.revzin at gmail dot com --- Comm

[Bug c++/93929] In copy elision cases, fallback to lvalue even if rvalue overload resolution succeeds

2020-02-25 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93929 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/53182] GNU C: attributes without underscores should be discouraged / no longer be documented e.g. as examples

2020-02-25 Thread vincent-gcc at vinc17 dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53182 --- Comment #8 from Vincent Lefèvre --- (In reply to Jonathan Wakely from comment #7) > (In reply to Vincent Lefèvre from comment #6) > > Also, note that identifiers that are not reserved should not be used, > > because they could be defined as m

[Bug c++/93761] ICE when compiling a standard header as a header unit

2020-02-25 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93761 Nathan Sidwell changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/92071] [10 regression][ARM] ice in gen_movsi, at config/arm/arm.md:5378

2020-02-25 Thread dcb314 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92071 --- Comment #11 from David Binderman --- (In reply to Eric Botcazou from comment #10) > Fixing. Over a month has gone by. I see no fix in trunk. Am I looking in the wrong place ?

[Bug middle-end/61577] [4.9.0 Regression] can't compile on hp-ux v3 ia64

2020-02-25 Thread peter.bisroev at groundlabs dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577 --- Comment #205 from Peter Bisroev --- Hi Dave, I have submitted bug 25599 (https://sourceware.org/bugzilla/show_bug.cgi?id=25599) to binutils with a slightly simplified test case and CCed you as well. Additionally, I was also able to verify t

[Bug middle-end/86827] [8 Regression] -Warray-bounds produces negative indicies

2020-02-25 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86827 Martin Sebor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/88273] [8 Regression] warning: 'memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union ' [-Warray-bounds]

2020-02-25 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88273 Martin Sebor changed: What|Removed |Added CC||liuw at liuw dot name --- Comment #16 fro

[Bug target/93913] [10 regression] r10-6762 breaks gcc.target/powerpc/fold-vec-st-*.c test cases

2020-02-25 Thread bergner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93913 Peter Bergner changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED URL|

[Bug libstdc++/92267] [9 Regression] crash with a cppunit test case (built by GCC 9) and cpptest (built with GCC 8)

2020-02-25 Thread romain.geissler at amadeus dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92267 Romain Geissler changed: What|Removed |Added CC||romain.geissler at amadeus dot com --

[Bug libstdc++/92267] [9 Regression] crash with a cppunit test case (built by GCC 9) and cpptest (built with GCC 8)

2020-02-25 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92267 --- Comment #9 from Jonathan Wakely --- (In reply to Romain Geissler from comment #8) > Sorry to jump back into this old bug, but isn't it a issue that this was > backported to gcc 9 after some releases of gcc 9 were in the wild yet ? Yes. The c

[Bug libstdc++/92267] [9 Regression] crash with a cppunit test case (built by GCC 9) and cpptest (built with GCC 8)

2020-02-25 Thread romain.geissler at amadeus dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92267 --- Comment #10 from Romain Geissler --- Ok, I was not sure whether it was more important to have a given major branch (ie all gcc 9 releases) consistent or favor compatibility with the biggest number of gcc releases (cross branches). You replied

[Bug target/92071] [10 regression][ARM] ice in gen_movsi, at config/arm/arm.md:5378

2020-02-25 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92071 --- Comment #12 from Eric Botcazou --- > Over a month has gone by. I see no fix in trunk. Am I looking > in the wrong place ? Why do you think I put "fixing" instead of "fixed"? ;-)

[Bug libstdc++/92267] [9 Regression] crash with a cppunit test case (built by GCC 9) and cpptest (built with GCC 8)

2020-02-25 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92267 --- Comment #11 from Jonathan Wakely --- Yes, I should add it there.

[Bug target/93930] New: Unnecessary broadcast instructions for AVX512

2020-02-25 Thread fredrik987 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Bug ID: 93930 Summary: Unnecessary broadcast instructions for AVX512 Product: gcc Version: 9.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tar

[Bug c++/93931] New: ICE using lambda capture in openMP parallel for reduction

2020-02-25 Thread Peter.Georg at physik dot uni-regensburg.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93931 Bug ID: 93931 Summary: ICE using lambda capture in openMP parallel for reduction Product: gcc Version: 9.2.1 Status: UNCONFIRMED Severity: normal Prio

[Bug middle-end/93848] missing -Warray-bounds warning for array subscript 1 is outside array bounds

2020-02-25 Thread ch3root at openwall dot com
----- gcc x86-64 version: gcc (GCC) 10.0.1 20200225 (experimental) --

[Bug tree-optimization/93820] [8/9/10 Regression] wrong code at -O3 on x86_64-linux-gnu since r9-1732

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93820 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug middle-end/78993] False positive from -Wmaybe-uninitialized

2020-02-25 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78993 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2 CC|

[Bug tree-optimization/93843] [10 Regression] wrong code at -O3 on x86_64-linux-gnu

2020-02-25 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93843 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Assigne

[Bug tree-optimization/93820] [8/9/10 Regression] wrong code at -O3 on x86_64-linux-gnu since r9-1732

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93820 --- Comment #6 from Jakub Jelinek --- On the original testcase, the reason why dse3 doesn't help is we have: a[4] = 1; _4 = *c.0_1; a[5] = _4; a[3] = 1; e = 0; a[8] = 0; MEM [(int *)&a + 16B] = { 0, 0, 0, 0 }; and c.0_1 might alias

[Bug middle-end/71699] bogus -Wmaybe-uninitialized warning: gcc misses that non-NULL pointer + offset can never be NULL

2020-02-25 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71699 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/67196] Another false positive from -Wmaybe-uninitialized

2020-02-25 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67196 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #2 fr

[Bug target/93932] New: PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93932 Bug ID: 93932 Summary: PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors Product: gcc Version: 10.0 Status: UNCONFIRMED

[Bug c++/89917] [8 Regression] ICE with lambda in variadic template hierarchy

2020-02-25 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89917 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/93930] [8/9/10 Regression] Unnecessary broadcast instructions for AVX512

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93930 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/93932] PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93932 Michael Meissner changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/89917] [8 Regression] ICE with lambda in variadic template hierarchy

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89917 --- Comment #4 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:7ac251ee4fa84f5a7583c597fa0641278e3855fc commit r8-10064-g7ac251ee4fa84f5a7583c597fa0641278e3855fc Author: Jason Merrill Da

[Bug target/93932] PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93932 Michael Meissner changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug c++/93905] [8 Regression] Cannot use Derived type of Base containing both enum and protected destructor

2020-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93905 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug c/29186] optimzation breaks floating point exception flag reading

2020-02-25 Thread kreckel at ginac dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29186 --- Comment #22 from Richard B. Kreckel --- I can't reproduce this bug any more, with any of the optimization settings on x86 or x86_64 going back as far as GCC 4.9.2. Delighted to see that this has been addressed in the meantime (even without su

[Bug c++/93933] [concepts] redeclaration of constrained template give error

2020-02-25 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93933 Nathan Sidwell changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/93933] New: [concepts] redeclaration of constrained template give error

2020-02-25 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93933 Bug ID: 93933 Summary: [concepts] redeclaration of constrained template give error Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Pri

[Bug other/93912] typo: probablity

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93912 --- Comment #2 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:9c3da8cc5d01dcccfd98cda20753081414f12877 commit r10-6857-g9c3da8cc5d01dcccfd98cda20753081414f12877 Author: Jakub Jelinek Date: Tu

[Bug c++/93933] [concepts] redeclaration of constrained template give error

2020-02-25 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93933 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment #1

[Bug libffi/70024] [5/6 Regression] libffi ABI change w/o SONAME bump

2020-02-25 Thread fw at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70024 Florian Weimer changed: What|Removed |Added CC||fw at gcc dot gnu.org --- Comment #10 f

[Bug target/93932] PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors

2020-02-25 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93932 --- Comment #2 from Segher Boessenkool --- So the issue is that input_operand allows too much? Other patterns that could use such a fix are float2, floatuns2, movsd_store, movsd_load, *vsx_le_permute_, vsx_set_v1ti, vsx_extract__var, vsx_extract

[Bug c++/87770] [8 Regression] ICE in type_dependent_expression_p, at cp/pt.c:25230

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87770 --- Comment #10 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:d2221c1179354ad71c4944ea0cc634803aae98f1 commit r8-10066-gd2221c1179354ad71c4944ea0cc634803aae98f1 Author: Alexandre Oliva

[Bug c++/92745] [8/9 Regression] Initializing array with vec4 results in compile error

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92745 --- Comment #10 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:a955c8f0a0aacd9271876ddc5ca8f0ccaca18ac7 commit r8-10065-ga955c8f0a0aacd9271876ddc5ca8f0ccaca18ac7 Author: Marek Polacek D

[Bug c++/87770] [8 Regression] ICE in type_dependent_expression_p, at cp/pt.c:25230

2020-02-25 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87770 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug c++/92745] [9 Regression] Initializing array with vec4 results in compile error

2020-02-25 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92745 Jason Merrill changed: What|Removed |Added CC||jason at gcc dot gnu.org Summ

[Bug c++/93933] [concepts] redeclaration of constrained template give error

2020-02-25 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93933 Nathan Sidwell changed: What|Removed |Added CC||plexando at protonmail dot com --- Comm

[Bug c++/93934] New: Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2020-02-25 Thread vajdaz at protonmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 Bug ID: 93934 Summary: Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code Product: gcc Version: 7.4.0 Status: UNCONFIRMED Sev

[Bug libstdc++/93795] Out-of-line definition of class member template with 'requires std::invocable' constraint fails to compile

2020-02-25 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93795 Nathan Sidwell changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug testsuite/93935] New: [9/10 regression] gcc.dg/vect/bb-slp-over-widen-2.c fails starting with r262371 (r10-6856)

2020-02-25 Thread seurer at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93935 Bug ID: 93935 Summary: [9/10 regression] gcc.dg/vect/bb-slp-over-widen-2.c fails starting with r262371 (r10-6856) Product: gcc Version: 9.2.1 Status: UNCONFIRMED

[Bug target/93934] Unnecessary fld of uninitialized float stack variable results in ub of valid C++ code

2020-02-25 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93934 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug c/93910] -Waddress-of-packed-member triggered without actual access to a member or the address of a member

2020-02-25 Thread stephane.goujet at wanadoo dot fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93910 stephane.goujet at wanadoo dot fr changed: What|Removed |Added Status|RESOLVED|UNCONFIRMED R

[Bug middle-end/92721] checking ICE on attribute access redeclaration

2020-02-25 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92721 Martin Sebor changed: What|Removed |Added Keywords||patch Component|c++

[Bug libstdc++/93936] New: [ranges] std::ranges::split_view<...>::_OuterIter<...>::__current() is private within this context

2020-02-25 Thread eric.niebler at gmail dot com
; } The error is: /opt/compiler-explorer/gcc-trunk-20200225/include/c++/10.0.1/ranges:2828:31: error: 'constexpr auto& std::ranges::split_view<_Vp, _Pattern>::_OuterIter<_Const>::__current() const [with bool _Const = true; _Vp = std::ranges::ref_view >; _Pattern

[Bug target/93932] PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93932 --- Comment #3 from Michael Meissner --- While I agree that in general, we should only use input_operand for moves and define_expands, I tend to think in the short term (GCC 10) we should just fix the case we know about. As you point out, this i

[Bug c/29186] optimzation breaks floating point exception flag reading

2020-02-25 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29186 --- Comment #23 from Marc Glisse --- (In reply to Richard B. Kreckel from comment #22) > I can't reproduce this bug any more, I think you are just lucky, I am sure it hasn't been fixed and gcc will still happily swap FP operations with function

[Bug middle-end/93848] missing -Warray-bounds warning for array subscript 1 is outside array bounds

2020-02-25 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93848 --- Comment #8 from Martin Sebor --- In int i[4]; int (*p)[4] = &i; bar_aux (p[1]); p[0] points to i and p[1] to (char*)&i + sizeof (i) (which is the same as &i[4]). The latter is a pointer just past the end of i. Evaluating past-the-en

[Bug libfortran/93871] COTAN is slow for complex types

2020-02-25 Thread kargl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 --- Comment #23 from kargl at gcc dot gnu.org --- Created attachment 47913 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47913&action=edit Diff that replaces handling of degree trig functions.

[Bug target/93937] New: Variable vector extract & zero extend insn can never match

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93937 Bug ID: 93937 Summary: Variable vector extract & zero extend insn can never match Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Prio

[Bug target/93937] Variable vector extract & zero extend insn can never match

2020-02-25 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93937 Michael Meissner changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libfortran/93871] COTAN is slow for complex types

2020-02-25 Thread kargl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 --- Comment #24 from kargl at gcc dot gnu.org --- (In reply to kargl from comment #23) > Created attachment 47913 [details] > Diff that replaces handling of degree trig functions. Fritz, I have attached a patch that completely replaces how you h

[Bug target/93877] [9/10 Regression] [SH] webkit2gtk fails to build with "internal compiler error: in extract_constrain_insn, at recog.c:2211"

2020-02-25 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93877 Oleg Endo changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libfortran/93871] COTAN is slow for complex types

2020-02-25 Thread sgk at troutmask dot apl.washington.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 --- Comment #25 from Steve Kargl --- On Wed, Feb 26, 2020 at 12:59:31AM +, kargl at gcc dot gnu.org wrote: > > * trans-intrinsic.c (rad2deg, deg2rad, gfc_conv_intrinsic_atrigd, > gfc_conv_intrinsic_trigd, gfc_conv_intrinsic_c

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

2020-02-25 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #121 from Oleg Endo --- (In reply to John Paul Adrian Glaubitz from comment #120) > > That's a huge task which is why I prefer fixing issues on the fly. I thought this is almost fully automated? You can apply this patch to GCC to e

[Bug analyzer/93938] New: ICE in validate, at analyzer/region-model.cc:231

2020-02-25 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93938 Bug ID: 93938 Summary: ICE in validate, at analyzer/region-model.cc:231 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: a

[Bug middle-end/93806] Wrong optimization: instability of floating-point results with -funsafe-math-optimizations leads to nonsense

2020-02-25 Thread vincent-gcc at vinc17 dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93806 --- Comment #33 from Vincent Lefèvre --- I couldn't find a failing test with FP contraction, but this seems to be because GCC doesn't optimize as much as it could. Still, the following example could be interesting in the future or as a non-regres

[Bug middle-end/93939] New: missing optimization for floating-point expression converted to integer whose result is known at compile time

2020-02-25 Thread vincent-gcc at vinc17 dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93939 Bug ID: 93939 Summary: missing optimization for floating-point expression converted to integer whose result is known at compile time Product: gcc Version: 10.0

[Bug c++/93940] New: crazy codegen bug on Og with builtin_constant_p, coverage, and pthread

2020-02-25 Thread barry.revzin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93940 Bug ID: 93940 Summary: crazy codegen bug on Og with builtin_constant_p, coverage, and pthread Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug c++/93940] crazy codegen bug on Og with builtin_constant_p, coverage, and pthread

2020-02-25 Thread barry.revzin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93940 --- Comment #1 from Barry Revzin --- gcc 7.x has the same behavior. gcc 6.x work fine.

[Bug c++/88394] [8 Regression] g++ ICE (Segmentation fault) in insert_capture_proxy

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88394 --- Comment #6 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:bf2fe5d49627ca757123f4425a029bd92c50fc05 commit r8-10068-gbf2fe5d49627ca757123f4425a029bd92c50fc05 Author: Jason Merrill Da

[Bug c++/87748] [8 Regression] G++-8 treats SFINAE as error

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87748 --- Comment #7 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:ac5e28911abdfb8d9bf6bea980223e199bbcf28d commit r8-10070-gac5e28911abdfb8d9bf6bea980223e199bbcf28d Author: Jason Merrill Da

[Bug c++/87480] [8 Regression] SFINAE constructor not matched, only in templated function

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87480 --- Comment #7 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:2dcdcda91921b512b978f7223c530352fd61b91b commit r8-10069-g2dcdcda91921b512b978f7223c530352fd61b91b Author: Jason Merrill Da

[Bug c++/87480] [8 Regression] SFINAE constructor not matched, only in templated function

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87480 --- Comment #8 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:ac5e28911abdfb8d9bf6bea980223e199bbcf28d commit r8-10070-gac5e28911abdfb8d9bf6bea980223e199bbcf28d Author: Jason Merrill Da

[Bug c++/82643] lambda capture breaks constexpr-ness of non-static const constexpr member call on non-constexpr value/variable

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82643 --- Comment #7 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:6470e8caa2bd331fb6e21524d6c14662531cfa9b commit r8-10072-g6470e8caa2bd331fb6e21524d6c14662531cfa9b Author: Jason Merrill Da

[Bug c++/87327] [8 Regression] Calling member functions on captured constexpr variables "is not a constant expression"

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87327 --- Comment #5 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:6470e8caa2bd331fb6e21524d6c14662531cfa9b commit r8-10072-g6470e8caa2bd331fb6e21524d6c14662531cfa9b Author: Jason Merrill Da

[Bug c++/86429] [8 Regression] lambda capture breaks constexpr-ness

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86429 --- Comment #8 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:6470e8caa2bd331fb6e21524d6c14662531cfa9b commit r8-10072-g6470e8caa2bd331fb6e21524d6c14662531cfa9b Author: Jason Merrill Da

[Bug c++/86747] [8 Regression] rejects-valid with redundant friend declaration

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86747 --- Comment #9 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:3d99aab56d7237bb8260653ed07ca8b182fbf975 commit r8-10073-g3d99aab56d7237bb8260653ed07ca8b182fbf975 Author: Alexandre Oliva

[Bug middle-end/93940] crazy codegen bug on Og with builtin_constant_p, coverage, and pthread

2020-02-25 Thread barry.revzin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93940 --- Comment #2 from Barry Revzin --- Slightly more reduced: https://godbolt.org/z/5R9A5g

[Bug debug/93941] New: gcc generates wrong debug information at -O2

2020-02-25 Thread qrzhang at gatech dot edu
: debug Assignee: unassigned at gcc dot gnu.org Reporter: qrzhang at gatech dot edu Target Milestone: --- It appears to be a recent regression. My bisect points to g:82e8e335f917b9ce40801838c (needs double check). $ gcc-trunk -v gcc version 10.0.1 20200225 (experimental

[Bug middle-end/93940] crazy codegen bug on Og with builtin_constant_p, coverage, and pthread

2020-02-25 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93940 --- Comment #3 from Andrew Pinski --- j.d = 0; __builtin_unreachable (); Considering void g::i(a)/4 with 31 size to be inlined into void test()/5 in t6777.cc:40 Estimated badness is -1.161290, frequency 1.00. Introduced new external node

[Bug ipa/93940] [8/9/10 Regression] crazy codegen bug on Og with builtin_constant_p, coverage, and pthread

2020-02-25 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93940 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/87554] [8 Regression] internal compiler error: in record_reference, at cgraphbuild.c:64

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87554 --- Comment #12 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:a57528b33be33d4428ac62901d04cf39807d624e commit r8-10074-ga57528b33be33d4428ac62901d04cf39807d624e Author: Jason Merrill D

[Bug c++/89831] [8 Regression] passing 'const ...' as 'this' argument discards qualifiers

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89831 --- Comment #4 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:2b6565dd2d07d3f2f706795f800d0cc2ff8f2f68 commit r8-10077-g2b6565dd2d07d3f2f706795f800d0cc2ff8f2f68 Author: Jason Merrill Da

[Bug c++/87685] [8 Regression] Calling a static method from inside a generic lambda requires to capture 'this'

2020-02-25 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87685 --- Comment #5 from CVS Commits --- The releases/gcc-8 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:b6136084ea86ab0d3fac54be83e50817a3db74a9 commit r8-10075-gb6136084ea86ab0d3fac54be83e50817a3db74a9 Author: Jason Merrill Da

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