[Bug target/82151] Autovectorization for insertion is slower than done manually

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82151 --- Comment #1 from Andrew Pinski --- How about this for the inner most loop: ldr q0, [a, index] ldr q1, [b, index] zip1 v2.2d, v0.2d, v1.2d zip2 v3.2d, v0.2d, v1.2d sdr q2, [c, index] sdr q3, [c, index+16] If we did not have ld2/st4, this is

[Bug target/82199] __builtin_shuffle sometimes should produce zip1 rather than TBL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82199 Andrew Pinski changed: What|Removed |Added Summary|__builtin_shuffle sometimes |__builtin_shuffle sometimes

[Bug fortran/82275] New: gfortran rejects valid & accepts invalid reference to dimension-remapped type selector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82275 Bug ID: 82275 Summary: gfortran rejects valid & accepts invalid reference to dimension-remapped type selector Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug ada/81878] --disable-bootstrap --enable-languages=ada fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81878 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug target/82158] _Noreturn functions that do return clobber caller's registers on ARM32 (but not other arches)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82158 Peter Cordes changed: What|Removed |Added Status|VERIFIED|UNCONFIRMED Resolution|WONTFIX

[Bug target/82158] _Noreturn functions that do return clobber caller's registers on ARM32 (but not other arches)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82158 Peter Cordes changed: What|Removed |Added Status|RESOLVED|VERIFIED --- Comment #7 from Peter

[Bug target/82274] __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82274 --- Comment #1 from Mats Palmgren --- Created attachment 42214 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42214=edit bug.cpp

[Bug c++/82274] New: __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82274 Bug ID: 82274 Summary: __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32 Product: gcc Version: 5.4.0 Status: UNCONFIRMED

[Bug target/80697] On PowerPC, the spec 2006 benchmark milc had a 5.6% regression under GCC 7.1 compared to GCC 6.3.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80697 --- Comment #10 from Michael Meissner --- I believe this was ultimately due to reassociation, so Aaron probably should chime in if it is believed to be fixed.

[Bug c/81854] weak alias of an incompatible symbol accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81854 --- Comment #10 from Martin Sebor --- Author: msebor Date: Wed Sep 20 22:46:49 2017 New Revision: 253041 URL: https://gcc.gnu.org/viewcvs?rev=253041=gcc=rev Log: Fix C++ testsuite fallout from r252976. gcc/testsuite/ChangeLog: PR

[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162 --- Comment #24 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 22:26:19 2017 New Revision: 253038 URL: https://gcc.gnu.org/viewcvs?rev=253038=gcc=rev Log: PR libstdc++/79162 Fix std::string regression due to LWG 2946 (old ABI)

[Bug c/81854] weak alias of an incompatible symbol accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81854 --- Comment #9 from Martin Sebor --- Author: msebor Date: Wed Sep 20 22:19:53 2017 New Revision: 253037 URL: https://gcc.gnu.org/viewcvs?rev=253037=gcc=rev Log: Fix testsuite fallout from r252976. gcc/testsuite/ChangeLog: PR c/81854

[Bug c/81854] weak alias of an incompatible symbol accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81854 --- Comment #8 from Martin Sebor --- (In reply to Dominique d'Humieres from comment #7) Thanks for the heads up! There's an additional problem in target-supports.exp that needs fixing for the ifunc support to be correctly detected, and a few

[Bug fortran/56471] Program crashes when allocating a derived type with an allocatable component

dumped) wws@w6ws-4:/tmp$ /usr/local/gcc-trunk/bin/gfortran --version GNU Fortran (GCC) 8.0.0 20170920 (experimental) Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS

[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162 --- Comment #23 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 22:03:37 2017 New Revision: 253035 URL: https://gcc.gnu.org/viewcvs?rev=253035=gcc=rev Log: PR libstdc++/79162 Fix std::string regression due to LWG 2946 (old ABI)

[Bug target/77687] frame access after release without redzone on powerpc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77687 --- Comment #7 from Segher Boessenkool --- Author: segher Date: Wed Sep 20 21:48:31 2017 New Revision: 253033 URL: https://gcc.gnu.org/viewcvs?rev=253033=gcc=rev Log: rs6000: Don't touch below the stack pointer (PR77687) With the 32-bit SVR4

[Bug sanitizer/77631] no symbols in backtrace shown by ASan when debug info is split

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77631 Ian Lance Taylor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/80697] On PowerPC, the spec 2006 benchmark milc had a 5.6% regression under GCC 7.1 compared to GCC 6.3.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80697 --- Comment #9 from Bill Schmidt --- Can this be closed?

[Bug target/68256] Defining TARGET_USE_CONSTANT_BLOCKS_P causes go bootstrap failure on aarch64.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68256 Vladimir Mezentsev changed: What|Removed |Added CC||vladimir.mezentsev at oracle dot c

[Bug c++/8781] Pessimization of C++ (functional) code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=8781 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #27

[Bug sanitizer/77631] no symbols in backtrace shown by ASan when debug info is split

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77631 --- Comment #13 from ian at gcc dot gnu.org --- Author: ian Date: Wed Sep 20 21:09:37 2017 New Revision: 253032 URL: https://gcc.gnu.org/viewcvs?rev=253032=gcc=rev Log: PR sanitizer/77631 Support for external debug info.

[Bug c++/82270] incorrect warning [-Wignored-attributes]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82270 Martin Sebor changed: What|Removed |Added Keywords||diagnostic

[Bug c/82272] RFE: request a warning for ( == ) etc.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82272 --- Comment #1 from joseph at codesourcery dot com --- I think they do have to expand to the tokens 0 and 1.

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #14 from Jakub Jelinek --- Note the patch failed bootstrap, but just the first hunk from it passed bootstrap and is being regtested right now. I'll need to debug what's wrong with the retval clobbers tomorrow.

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #13 from Arnd Bergmann --- Tested the fix with an x86 allmodconfig kernel (linux-next, with -fsanitize-address-use-after-scope disabled manually). With an arbitrary limit of 1500 bytes (the default is no limit when

[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162 --- Comment #22 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 18:52:56 2017 New Revision: 253025 URL: https://gcc.gnu.org/viewcvs?rev=253025=gcc=rev Log: PR libstdc++/79162 Fix std::string regression due to LWG 2946 PR

[Bug debug/82273] New: unnecessary dwarf info

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82273 Bug ID: 82273 Summary: unnecessary dwarf info Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee:

[Bug target/80865] broken compilation on Mac OS X 10.5 / powerpc: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80865 --- Comment #5 from Christian Cornelssen --- Related MacPorts gcc7 ticket: https://trac.macports.org/ticket/54215 That thread contains confirmations that the build succeeds with the patches of comment 1 (cumulated in attachment 42124) and test

[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162 --- Comment #21 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 17:59:50 2017 New Revision: 253024 URL: https://gcc.gnu.org/viewcvs?rev=253024=gcc=rev Log: PR libstdc++/79162 Fix std::string regression due to LWG 2946 PR

[Bug c/82272] New: RFE: request a warning for ( == ) etc.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82272 Bug ID: 82272 Summary: RFE: request a warning for ( == ) etc. Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug target/82150] Produces a branch prefetch which causes a hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82150 --- Comment #9 from david.welch at netronome dot com --- Basically gcc is generating a sequence where data starts to execute in the pipe. I cant imagine that is a good idea to let the processor execute data when you can avoid it instead of a

[Bug libstdc++/81469] std::uncaught_exception should be marked as deprecated for C++1z

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81469 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/81469] std::uncaught_exception should be marked as deprecated for C++1z

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81469 --- Comment #6 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 16:34:49 2017 New Revision: 253018 URL: https://gcc.gnu.org/viewcvs?rev=253018=gcc=rev Log: PR libstdc++/81469 deprecate std::uncaught_exception for C++17 PR

[Bug fortran/82184] [8 Regression] 187.facerec in SPEC CPU 2000 miscompares

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82184 --- Comment #13 from paul.richard.thomas at gmail dot com --- Many thanks - it's like currency exchange rate variations; <1% == 0% Cheers Paul On 20 September 2017 at 16:01, andrey.y.guskov at intel dot com wrote:

[Bug c++/59372] accepts-invalid with constexpr function pointer variable as non-type template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59372 ensadc at mailnesia dot com changed: What|Removed |Added CC||ensadc at mailnesia dot com

[Bug java/82263] java multilib -m32 version is using 64 bit include and lib, _GStaticAssertCompileTimeAssertion_0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82263 --- Comment #2 from Chris Severance --- I'm building gcc 6.4.1 6-20170913 with gcc 7.2.0. The -m32 version of java does not build.

[Bug java/82263] java multilib -m32 version is using 64 bit include and lib, _GStaticAssertCompileTimeAssertion_0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82263 Andrew John Hughes changed: What|Removed |Added CC||gnu_andrew at member dot fsf.org

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #12 from Jakub Jelinek --- Created attachment 42212 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42212=edit gcc8-pr81715.patch Untested fix.

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 --- Comment #16 from ard.biesheuvel at linaro dot org --- (In reply to Ramana Radhakrishnan from comment #15) > (In reply to ard.biesheuvel from comment #13) > > The kernel does not currently use -mword-relocations. We are looking into it > > as

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 --- Comment #5 from Peter Cordes --- > (not (match_test "TARGET_PARTIAL_REG_STALL")) gcc is doing this even with -mtune=core2. Core2 / Nehalem stall (the front-end) for 2-3 cycles to insert a merging uop when reading a full register after

[Bug c++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 Elie Gédéon changed: What|Removed |Added CC||legoliester at gmail dot com --- Comment

[Bug target/80986] auto keyword variable lost its attributes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80986 --- Comment #6 from Ramana Radhakrishnan --- (In reply to linzj from comment #5) > Is the following patch okay? Or should I add the new bit to indicate not to > remove an attribute? > diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c > index

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 --- Comment #15 from Ramana Radhakrishnan --- (In reply to ard.biesheuvel from comment #13) > The kernel does not currently use -mword-relocations. We are looking into it > as an alternative to -fpic when building the kernel image as a PIE >

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 --- Comment #4 from Peter Cordes --- (In reply to Jakub Jelinek from comment #2) > From pure instruction size POV, for the first 2 alternatives as can be seen > say on: > ... > movb $0x15, %al > movl $0x15, %eax > movb $-0x78, %bl > movl $-0x78,

[Bug target/82271] New: loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Bug ID: 82271 Summary: loop gets miscompiled on powerpc at -O2 Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 --- Comment #14 from Yvan Roux --- (In reply to Ramana Radhakrishnan from comment #12) > No, this is too big a hammer. Yes, and it doesn't work with -cmse testcases. > It will disable movw / movt for constants and we don't want that. The aim

[Bug fortran/82184] [8 Regression] 187.facerec in SPEC CPU 2000 miscompares

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82184 --- Comment #12 from Andrey Guskov --- Okay, testing complete. The performance delta is less than 1% (0.96% to be exact), but technically the new solution is still faster than the one before r252781.

[Bug target/82248] probe_stack can generate unpredictable STR on arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82248 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/82270] New: incorrect warning [-Wignored-attributes]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82270 Bug ID: 82270 Summary: incorrect warning [-Wignored-attributes] Product: gcc Version: 6.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug libstdc++/82262] std::hash<std::optional>::operator() missing remove_const_t

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82262 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/82254] std::is_nothrow_invocable_r is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82254 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/82254] std::is_nothrow_invocable_r is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82254 --- Comment #4 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 14:22:25 2017 New Revision: 253014 URL: https://gcc.gnu.org/viewcvs?rev=253014=gcc=rev Log: PR libstdc++/82254 fix std::is_nothrow_invocable_r w.r.t throwing conversions

[Bug libstdc++/82262] std::hash<std::optional>::operator() missing remove_const_t

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82262 --- Comment #2 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 14:22:29 2017 New Revision: 253015 URL: https://gcc.gnu.org/viewcvs?rev=253015=gcc=rev Log: PR libstdc++/82262 fix std::hash PR libstdc++/82262

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/69728] [6/7 Regression] internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1175

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69728 --- Comment #22 from Sebastian Pop --- > I put it on my TODO to figure out how to "DCE" a stmt > (or in this case it's rather the whole "loop body", right?). The code generator would not even see a statement to be generated: it would just

[Bug fortran/82184] [8 Regression] 187.facerec in SPEC CPU 2000 miscompares

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82184 --- Comment #11 from Andrey Guskov --- Sorry Paul, we happened to be lacking automatic perf runs for 187. I`ll try running it manually and then report back.

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 --- Comment #13 from ard.biesheuvel at linaro dot org --- The kernel does not currently use -mword-relocations. We are looking into it as an alternative to -fpic when building the kernel image as a PIE executable so we can self-relocate at boot

[Bug c++/82269] -Wignored-qualifiers should not trigger on templated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82269 --- Comment #4 from sgunderson at bigfoot dot com --- This one is perhaps a better case: ../sql/parse_tree_column_attrs.h: In constructor 'PT_blob_type::PT_blob_type(Blob_type, const CHARSET_INFO*, bool)':

[Bug libstdc++/82262] std::hash<std::optional>::operator() missing remove_const_t

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82262 --- Comment #1 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 13:24:45 2017 New Revision: 253010 URL: https://gcc.gnu.org/viewcvs?rev=253010=gcc=rev Log: PR libstdc++/82262 fix std::hash PR libstdc++/82262

[Bug sanitizer/81697] Incorrect ASan global variables alignment on arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81697 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/82269] -Wignored-qualifiers should not trigger on templated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82269 --- Comment #3 from Jonathan Wakely --- I agree that in this case the caller is wrong and should do pointer_cast not pointer_cast. The warning found a bug. In general the warning is a bit too noisy, but we already have a bug report about it.

[Bug c++/82219] [8 Regression] Not wanted warning: "type qualifiers ignored on cast result type" on template instantiation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82219 Jonathan Wakely changed: What|Removed |Added CC||sgunderson at bigfoot dot com ---

[Bug c++/82269] -Wignored-qualifiers should not trigger on templated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82269 Jonathan Wakely changed: What|Removed |Added Resolution|INVALID |DUPLICATE --- Comment #2 from

[Bug middle-end/81828] Cilkplus performance regression on ARM...

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81828 Ramana Radhakrishnan changed: What|Removed |Added Priority|P3 |P5

[Bug target/81863] [7 regression] -mword-relocations is unreliable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81863 --- Comment #12 from Ramana Radhakrishnan --- (In reply to Yvan Roux from comment #8) > On 7 branch the following should fix the issue, but as I mentioned in > comment #5, maybe TARGET_USE_MOVT is a better place to do the checking but > this

[Bug c++/82269] -Wignored-qualifiers should not trigger on templated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82269 sgunderson at bigfoot dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug c++/82269] New: -Wignored-qualifiers should not trigger on templated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82269 Bug ID: 82269 Summary: -Wignored-qualifiers should not trigger on templated code Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug target/82242] x86_64 bad optimization with -march

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82242 Alexander Monakov changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/82268] [8 regression] i386/pr82196-1.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82268 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug tree-optimization/71351] [7/8 Regression] ICE: Segmentation fault (graphite)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71351 --- Comment #10 from Richard Biener --- I _think_ that the proper fix is to _not_ code-gen additional loop guards because we can't possibly get the PHIs correct there. Iff a loop needs a guard then it will be present before. So the only case

[Bug tree-optimization/71351] [7/8 Regression] ICE: Segmentation fault (graphite)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71351 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c/81854] weak alias of an incompatible symbol accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81854 --- Comment #7 from Dominique d'Humieres --- The test gcc.dg/pr81854.c fails on darwin /opt/gcc/_clean/gcc/testsuite/gcc.dg/pr81854.c:30:1: error: ifunc is not supported in this configuration f3 (void); /* { dg-error ".ifunc. resolver

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 --- Comment #2 from Jakub Jelinek --- The insn has weird constraints: [(set (match_operand:QI 0 "nonimmediate_operand" "=q,q ,q ,r,r ,?r,m ,k,k,r,m,k") (match_operand:QI 1 "general_operand"

[Bug tree-optimization/80105] [6/7/8 Regression] ICE in outer_projection_mupa, at graphite-sese-to-poly.c:1019

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80105 Bug 80105 depends on bug 69728, which changed state. Bug 69728 Summary: [6/7 Regression] internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1175 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69728 What

[Bug other/80069] ICE at graphite-sese-to-poly.c:1176

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80069 Bug 80069 depends on bug 69728, which changed state. Bug 69728 Summary: [6/7 Regression] internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1175 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69728 What

[Bug tree-optimization/69728] [6/7 Regression] internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1175

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69728 Richard Biener changed: What|Removed |Added Status|RESOLVED|ASSIGNED Known to work|

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59859 Bug 59859 depends on bug 69728, which changed state. Bug 69728 Summary: [6/7 Regression] internal compiler error: in outer_projection_mupa, at graphite-sese-to-poly.c:1175 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69728 What

[Bug middle-end/82177] Alias analysis too aggressive with integer-to-pointer cast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82177 --- Comment #6 from rguenther at suse dot de --- On Wed, 20 Sep 2017, kristerw at gcc dot gnu.org wrote: > --- Comment #5 from Krister Walfridsson --- > Did you mean PR61502 - "== comparison on "one-past" pointer gives wrong > result"? Yes,

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #11 from Jakub Jelinek --- (In reply to Arnd Bergmann from comment #10) > As far as I can tell, gcc doesn't merge stack slots that came from inline > functions, as in comment 1, or this example: > > void baz (int *, int *, int *,

[Bug tree-optimization/80213] [7/8 Regression] ICE in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:704

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80213 Richard Biener changed: What|Removed |Added Known to work|8.0 | Summary|[7/8 Regression]

[Bug tree-optimization/80213] [7/8 Regression] ICE in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:704

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80213 Richard Biener changed: What|Removed |Added Known to work|8.0 | Summary|[7/8 Regression]

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #10 from Arnd Bergmann --- As far as I can tell, gcc doesn't merge stack slots that came from inline functions, as in comment 1, or this example: void baz (int *, int *, int *, int *, int *, int *); static inline void foo (int a,

[Bug c/82265] packed attribute on variables but documented as so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82265 --- Comment #3 from etienne_lorrain at yahoo dot fr --- I do not know how I finished adding such packed attribute on my variables and not seeing any warnings, on the gcc-4.7.1 I used at the time. That looks indeed a bug in the documentation only

[Bug fortran/64933] ASSOCIATE on a character variable does not allow substring expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64933 Paul Thomas changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libstdc++/60936] [5 Regression] Binary code bloat with std::string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60936 --- Comment #39 from Jonathan Wakely --- Author: redi Date: Wed Sep 20 12:01:44 2017 New Revision: 253007 URL: https://gcc.gnu.org/viewcvs?rev=253007=gcc=rev Log: PR libstdc++/60936 fix length calculation Backport from mainline 2017-02-16

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1

[Bug middle-end/82177] Alias analysis too aggressive with integer-to-pointer cast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82177 Krister Walfridsson changed: What|Removed |Added CC||kristerw at gcc dot gnu.org ---

[Bug target/82150] Produces a branch prefetch which causes a hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82150 --- Comment #8 from david.welch at netronome dot com --- gcc is treating these instructions as unconditional branches, but the core does NOT treat these instructions as unconditional branches. The disconnect is quite clear between the code

[Bug target/82150] Produces a branch prefetch which causes a hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82150 --- Comment #7 from david.welch at netronome dot com --- This is an armv6 not an armv7. So far I have not seen that the mmu or cache or branch prediction is required for proper operation of the core. I have so far not see this on other cores,

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59859 Bug 59859 depends on bug 77932, which changed state. Bug 77932 Summary: [GRAPHITE] gmp-6.1.0, 6.1.1 breaks because of fgraphite-identity https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77932 What|Removed |Added

[Bug target/82268] [8 regression] i386/pr82196-1.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82268 --- Comment #1 from Andrey Guskov --- Option set: -with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-shared --enable-host-shared --enable-clocale=gnu --enable-cloog-backend=isl --enable-languages=c,c++,fortran,jit,lto

[Bug tree-optimization/77932] [GRAPHITE] gmp-6.1.0, 6.1.1 breaks because of fgraphite-identity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77932 Richard Biener changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59859 Bug 59859 depends on bug 69458, which changed state. Bug 69458 Summary: [graphite] compiling gmp -floop-nest-optimize over -fstrict-overflow produces wrong code (fpe) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69458 What

[Bug tree-optimization/69458] [graphite] compiling gmp -floop-nest-optimize over -fstrict-overflow produces wrong code (fpe)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69458 Richard Biener changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug target/82268] New: [8 regression] i386/pr82196-1.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82268 Bug ID: 82268 Summary: [8 regression] i386/pr82196-1.c fail Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59859 Bug 59859 depends on bug 69675, which changed state. Bug 69675 Summary: [6/7/8 Regression] [graphite] ICE: verify_ssa failed (definition in block 42 does not dominate use in block 34) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69675

[Bug tree-optimization/69675] [6/7/8 Regression] [graphite] ICE: verify_ssa failed (definition in block 42 does not dominate use in block 34)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69675 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/77362] [6/7 Regression] [graphite] ICE in sese_build_liveouts_use w/ -O2 -floop-nest-optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77362 --- Comment #14 from Richard Biener --- Author: rguenth Date: Wed Sep 20 11:21:23 2017 New Revision: 253006 URL: https://gcc.gnu.org/viewcvs?rev=253006=gcc=rev Log: 2017-09-20 Richard Biener PR

[Bug target/82259] missed optimization: use LEA to add 1 to flip the low bit when copying before AND with 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82259 --- Comment #5 from Uroš Bizjak --- (In reply to Peter Cordes from comment #4) > (In reply to Uroš Bizjak from comment #2) > > A couple of *scc_bt patterns are missing. These are similar to already > > existing *jcc_bt patterns. Combine wants: >

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #9 from Jakub Jelinek --- Unless -fsanitize-user-after-scope (default for -fsanitize=address, but not for -fsanitize=kernel-address), GCC does reuse stack slots. Just try say: void foo (int *, int *, int *, int *, int *, int *);

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