[Bug c/69911] [6 Regression] Massive test failures on ia32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69911 --- Comment #1 from Mark Wielaard --- Proposed fix: https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01537.html

[Bug target/69909] [6 Regression] wrong code with -Os and vectors @ x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69909 --- Comment #2 from Zdenek Sojka --- Actually, there is: ... mov ecx, 8 # tmp115, mov r11, QWORD PTR [rsp+160]# v32u128_1D.1763, v32u128_1D.1763 mov r12, QWORD PTR [rsp+168]# v32u128_1D.1763,

[Bug c++/69912] New: [6 regression] ICE in build_ctor_subob_ref initializing a flexible array member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69912 Bug ID: 69912 Summary: [6 regression] ICE in build_ctor_subob_ref initializing a flexible array member Product: gcc Version: 6.0 Status: UNCONFIRMED Severity:

[Bug c++/69912] [6 regression] ICE in build_ctor_subob_ref initializing a flexible array member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69912 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c/69911] New: [6 Regression] Massive test failures on ia32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69911 Bug ID: 69911 Summary: [6 Regression] Massive test failures on ia32 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c/65471] type interpretation in _Generic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65471 Wink Saville changed: What|Removed |Added CC||wink at saville dot com --- Comment #3

[Bug tree-optimization/26854] Inordinate compile times on large routines

elease --enable-languages=c --disable-multilib --enable-gather-detailed-mem-stats Thread model: posix gcc version 6.0.0 20160222 (experimental) (GCC) heine:~/Downloads> /pkgs/gcc-mainline/bin/gcc -v -c -O2 -fmem-report -ftime-report _num.i -save-temps > & ! report-compiler_num2 There are some

[Bug fortran/69910] ICE with NEWUNIT in module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69910 --- Comment #2 from Jerry DeLisle --- Test case: module newunit_bug implicit none contains subroutine open_file_safe(fname, fstatus, faction, fposition, funit) character(*), intent(in) :: fname, fstatus, faction, fposition

[Bug fortran/69910] ICE with NEWUNIT in module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69910 Jerry DeLisle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jvdelisle at gcc dot gnu.org

[Bug fortran/69910] New: ICE with NEWUNIT in module

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69910 Bug ID: 69910 Summary: ICE with NEWUNIT in module Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug fortran/69043] Trying to include a directory causes an infinite loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69043 Jerry DeLisle changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jvdelisle at gcc dot gnu.org

[Bug rtl-optimization/69904] [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904 --- Comment #2 from Segher Boessenkool --- If you disallow this memory clobber from being copied (via the cannot_copy_insn_p hook), do you then get what you want?

[Bug tree-optimization/22226] vectorization library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=6 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org ---

[Bug rtl-optimization/69904] [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904 Segher Boessenkool changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/69908] recognizing idioms that check for a buffer of all-zeros could make *much* better code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69908 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org ---

[Bug fortran/69043] Trying to include a directory causes an infinite loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69043 Jerry DeLisle changed: What|Removed |Added CC||jvdelisle at gcc dot gnu.org ---

[Bug target/69909] [6 Regression] wrong code with -Os and vectors @ x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69909 --- Comment #1 from Andrew Pinski --- Works on aarch64-linux-gnu.

[Bug target/69909] New: [6 Regression] wrong code with -Os and vectors @ x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69909 Bug ID: 69909 Summary: [6 Regression] wrong code with -Os and vectors @ x86_64 Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: wrong-code

[Bug c++/43361] missing uninitialized warning without optimization (loop representation)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43361 Manuel López-Ibáñez changed: What|Removed |Added Status|RESOLVED|NEW Resolution|WONTFIX

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 43361, which changed state. Bug 43361 Summary: missing uninitialized warning without optimization (loop representation) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43361 What|Removed

[Bug c++/16233] unhelpful error message when "template" is omitted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16233 --- Comment #9 from Manuel López-Ibáñez --- Very likely, we don't even try to parse this as a template function. We should first try to parse it as we do now. When that fails, we should try to reparse it as a template if we have seen <>, if that

[Bug c++/69906] Feature request: better error message when dependent function template parsing fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69906 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c++/16233] unhelpful error message when "template" is omitted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16233 Manuel López-Ibáñez changed: What|Removed |Added CC||steve.lorimer at gmail dot com

[Bug tree-optimization/69908] New: recognizing idioms that check for a buffer of all-zeros could make *much* better code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69908 Bug ID: 69908 Summary: recognizing idioms that check for a buffer of all-zeros could make *much* better code Product: gcc Version: 5.3.0 Status: UNCONFIRMED

[Bug c/28901] -Wunused-variable ignores unused const initialised variables

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901 --- Comment #32 from Mark Wielaard --- Author: mark Date: Mon Feb 22 22:42:19 2016 New Revision: 233616 URL: https://gcc.gnu.org/viewcvs?rev=233616=gcc=rev Log: PR28901 Add two levels for -Wunused-const-variable. There is some controversy

[Bug tree-optimization/26854] Inordinate compile times on large routines

x86_64-pc-linux-gnu/6.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../../gcc-mainline/configure --prefix=/pkgs/gcc-mainline --enable-checking=release --enable-languages=c --disable-multilib Thread model: posix gcc version 6.0.0 20160222 (experimental) (GCC) with the options: /pk

[Bug target/69888] ICE: SIGSEGV in decide_alg (i386.c:26169) due to infinite (?) recursion with -minline-all-stringops -mmemset-strategy=no_stringop:-1:noalign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69888 Jakub Jelinek changed: What|Removed |Added Known to work||6.0 Known to fail|6.0

[Bug target/69888] ICE: SIGSEGV in decide_alg (i386.c:26169) due to infinite (?) recursion with -minline-all-stringops -mmemset-strategy=no_stringop:-1:noalign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69888 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 21:34:49 2016 New Revision: 233615 URL: https://gcc.gnu.org/viewcvs?rev=233615=gcc=rev Log: PR target/69888 * config/i386/i386.c (decide_alg): Ensure we don't

[Bug target/69888] ICE: SIGSEGV in decide_alg (i386.c:26169) due to infinite (?) recursion with -minline-all-stringops -mmemset-strategy=no_stringop:-1:noalign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69888 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 21:34:07 2016 New Revision: 233614 URL: https://gcc.gnu.org/viewcvs?rev=233614=gcc=rev Log: PR target/69888 * config/i386/i386.c (decide_alg): Ensure we don't

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 21:27:08 2016 New Revision: 233613 URL: https://gcc.gnu.org/viewcvs?rev=233613=gcc=rev Log: PR target/69885 * doc/md.texi (ashl@var{m}3): Document that mode of

[Bug fortran/69834] Collision in derived type hashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69834 Paul Thomas changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org ---

[Bug tree-optimization/69907] New: wrong code at -O3 on x86_64-linux-gnu

: posix gcc version 6.0.0 20160222 (experimental) [trunk revision 233601] (GCC) $ gcc-trunk -O3 abc.c $ ./a.out Segmentation fault (core dumped) $ cat abc.c void *mmap(); void foo(unsigned *p1, unsigned short *p2) { int n; for (n = 0; n < 320; n++) p1[n] = p2[n * 2]; } int main() { v

[Bug c++/69906] New: Feature request: better error message when dependent function template parsing fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69906 Bug ID: 69906 Summary: Feature request: better error message when dependent function template parsing fails Product: gcc Version: unknown Status: UNCONFIRMED

[Bug c++/69905] New: Digit separators break literal operators

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69905 Bug ID: 69905 Summary: Digit separators break literal operators Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/69895] [5/6 Regression] dependency of gcc-plugin.h not installed on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69895 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/69894] [6 Regression] dependency of gcc-plugin.h not installed on aarch64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69894 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/69894] [6 Regression] dependency of gcc-plugin.h not installed on aarch64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69894 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 19:55:47 2016 New Revision: 233611 URL: https://gcc.gnu.org/viewcvs?rev=233611=gcc=rev Log: PR target/69894 PR target/69895 * config/m68k/t-opts

[Bug target/69895] [5/6] dependency of gcc-plugin.h not installed on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69895 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 19:55:47 2016 New Revision: 233611 URL: https://gcc.gnu.org/viewcvs?rev=233611=gcc=rev Log: PR target/69894 PR target/69895 * config/m68k/t-opts

[Bug target/69868] vec_perm built-in is not handled by swap optimization on powerpc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69868 --- Comment #2 from Bill Schmidt --- Created attachment 37759 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37759=edit Tentative patch (needs refactoring) Attaching a tested patch that solves the problem for this case without regressing

[Bug c++/69898] Possibility for function with cv-qualifier-seq be adjusted to function pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69898 --- Comment #2 from wander --- (In reply to Daniel Krügler from comment #1) > I would argue that the code should be ill-formed, because the attempt to > form a pointer to a function with cv-qualifier-seq is invalid, see > >

[Bug rtl-optimization/69887] [4.9/5/6 Regression] gcc ICE at -O1 and above on x86_64-linux-gnu in mark_jump_label_1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69887 Jakub Jelinek changed: What|Removed |Added CC||ebotcazou at gcc dot gnu.org,

[Bug c++/69898] Possibility for function with cv-qualifier-seq be adjusted to function pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69898 Daniel Krügler changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug tree-optimization/33562] [4.9/5/6 Regression] aggregate DSE disabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33562 Jeffrey A. Law changed: What|Removed |Added Priority|P2 |P4 --- Comment #23 from Jeffrey A. Law

[Bug target/69841] Wrong template instantiation in C++11 on armv7l

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69841 James Greenhalgh changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug preprocessor/69126] [6 regression] _Pragma does not apply if part of a macro

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69126 Paolo Carlini changed: What|Removed |Added CC||paolo.carlini at oracle dot com ---

[Bug fortran/69368] [6 Regression] spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368 Thomas Koenig changed: What|Removed |Added Severity|normal |major --- Comment #68 from Thomas

[Bug c++/69842] [6 Regression] Parameter deduction in polymorphic lambdas

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69842 Philipp changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug c++/69902] [6 Regression] Bogus -Wnonnull-compare for: dynamic_cast<T*>() == nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69902 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/69810] PowerPC64: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69810 David Edelsohn changed: What|Removed |Added Keywords||ice-on-valid-code Target

[Bug libstdc++/69881] with gcc-6 of today building gcc-4.9 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881 --- Comment #22 from Bernd Edlinger --- yes, I would really have liked the warning, but... /../gcc-trunk/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc-trunk/gcc/../libbacktrace -I/home/ed/gnu/gcc-build/./isl/include

[Bug rtl-optimization/69904] New: [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904 Bug ID: 69904 Summary: [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords:

[Bug rtl-optimization/69896] [6 Regression] wrong code with -frename-registers @ x64_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69896 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/69903] Function template specialization with CRTP-class causes compiler segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69903 --- Comment #4 from Alexander --- About versions: this code didn't crash until 4.7.3 version, I checked it with http://gcc.godbolt.org/

[Bug c++/69903] Function template specialization with CRTP-class causes compiler segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69903 --- Comment #3 from Alexander --- NOTE: Functions' interior isn't important here, they can be empty, I used volatile variables just to check assembler output.

[Bug c++/69098] [5/6 regression] Member function pointer template flagged with 'is not a function template'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69098 Patrick Palka changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/69879] Create a pointer to the default operator new and delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69879 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/69903] Function template specialization with CRTP-class causes compiler segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69903 --- Comment #2 from ktkachov at gcc dot gnu.org --- More complete stack trace: ice.c:7:23: internal compiler error: in add_stmt, at cp/semantics.c:385 volatile int x = i; ^ 0x772687 add_stmt(tree_node*)

[Bug c++/69098] [5/6 regression] Member function pointer template flagged with 'is not a function template'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69098 --- Comment #13 from Jakub Jelinek --- Is this fixed now?

[Bug c++/69903] Function template specialization with CRTP-class causes compiler segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69903 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/69893] [6 Regression] Conflicting declarations in and

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69893 --- Comment #3 from Jonathan Wakely --- And this already failed with GCC 5 and -std=c++11 #include using std::acosh; #include

[Bug libstdc++/69893] [6 Regression] Conflicting declarations in and

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69893 --- Comment #2 from Jonathan Wakely --- The problem is in TR1, which parallel mode uses: #include #include

[Bug tree-optimization/69760] [4.9/5/6 Regression] Wrong 64-bit memory address caused by an unneeded overflowing 32-bit integer multiplication on x86_64 under -O2 and -O3 code optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/69882] [6 regression] Excessive reduction statements generated by SLP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69882 --- Comment #6 from Richard Biener --- Author: rguenth Date: Mon Feb 22 14:53:17 2016 New Revision: 233605 URL: https://gcc.gnu.org/viewcvs?rev=233605=gcc=rev Log: 2016-02-22 Richard Biener PR

[Bug tree-optimization/69882] [6 regression] Excessive reduction statements generated by SLP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69882 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/69903] New: Function template specialization with CRTP-class causes compiler segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69903 Bug ID: 69903 Summary: Function template specialization with CRTP-class causes compiler segfault Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity:

[Bug target/69810] PowerPC64: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69810 --- Comment #7 from David Edelsohn --- Created attachment 37755 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37755=edit extqihi patch Because this idiom occurs so rarely (like never, except for an artificial csmith testcase :-), the

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon Feb 22 14:22:07 2016 New Revision: 233603 URL: https://gcc.gnu.org/viewcvs?rev=233603=gcc=rev Log: PR target/69885 * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3):

[Bug rtl-optimization/55190] ivopts causes loop setup bloat

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55190 --- Comment #9 from Oleg Endo --- As of r233601 the issue still persists.

[Bug target/69810] PowerPC64: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69810 --- Comment #6 from David Edelsohn --- The bug definitely predated the EXTQI change. It was introduced when Red Hat added the splitters for non-cr0 compares. EXTQI is used for plain zero_extendqi2 and extendqi2. zero_extendqihi2 and

[Bug rtl-optimization/69896] [6 Regression] wrong code with -frename-registers @ x64_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69896 Jakub Jelinek changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug target/54089] [SH] Refactor shift patterns

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54089 --- Comment #44 from Oleg Endo --- Author: olegendo Date: Mon Feb 22 13:33:31 2016 New Revision: 233601 URL: https://gcc.gnu.org/viewcvs?rev=233601=gcc=rev Log: gcc/ PR target/69806 PR target/54089 * config/sh/sh.c

[Bug rtl-optimization/69806] [6 Regression][SH] Combine doesn't see constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69806 --- Comment #11 from Oleg Endo --- Author: olegendo Date: Mon Feb 22 13:33:31 2016 New Revision: 233601 URL: https://gcc.gnu.org/viewcvs?rev=233601=gcc=rev Log: gcc/ PR target/69806 PR target/54089 * config/sh/sh.c

[Bug fortran/52651] Fortran testsuite ICEs with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52651 Richard Biener changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug lto/51765] Testsuite ICEs with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51765 Bug 51765 depends on bug 52651, which changed state. Bug 52651 Summary: Fortran testsuite ICEs with -flto https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52651 What|Removed |Added

[Bug lto/51765] Testsuite ICEs with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51765 --- Comment #6 from Richard Biener --- Loads of -flto ICEs left: FAIL: g++.dg/cpp1y/var-templ16.C -std=c++14 (internal compiler error) FAIL: g++.dg/cpp1y/var-templ16.C -std=c++14 (test for excess errors) FAIL: g++.dg/cpp1y/var-templ27.C

[Bug target/69895] [5/6] dependency of gcc-plugin.h not installed on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69895 --- Comment #2 from Matthias Klose --- the patch installs the m68k files.

[Bug libstdc++/69881] with gcc-6 of today building gcc-4.9 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881 --- Comment #21 from Bernd Edlinger --- (In reply to Jonathan Wakely from comment #20) > (In reply to Bernd Edlinger from comment #19) > > But I am sure that #define __need_offsetof can simply not work. > > So don't define that. It's undefined

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 --- Comment #3 from Matthias Klose --- this fixes the bootstrap, tested with a cross build.

[Bug c++/69902] [6 Regression] Bogus -Wnonnull-compare for: dynamic_cast<T*>() == nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69902 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug target/51980] ARM - Neon code polluted by useless stores to the stack with vuzpq / vzipq / vtrnq

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51980 Ramana Radhakrishnan changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/47562] [meta-bug] keep track of Neon Intrinsics enhancements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47562 Bug 47562 depends on bug 51980, which changed state. Bug 51980 Summary: ARM - Neon code polluted by useless stores to the stack with vuzpq / vzipq / vtrnq https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51980 What|Removed

[Bug target/51996] ICE in extract_insn gcc.dg/pr48335-5.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51996 Ramana Radhakrishnan changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug libstdc++/69881] with gcc-6 of today building gcc-4.9 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881 --- Comment #20 from Jonathan Wakely --- (In reply to Bernd Edlinger from comment #19) > But I am sure that #define __need_offsetof can simply not work. So don't define that. It's undefined behaviour. > I am not sure if it can compile at all,

[Bug tree-optimization/69224] [4.9/5/6 Regression] -Warray-bounds false positive with -O3 and struct pointer parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69224 --- Comment #3 from Richard Biener --- Ok, so we have for (int j = 0; j < s->d - 1; j++) { if ((c[i] >= s->x[j]) && (c[i] <= s->x[j + 1])) { b[2*j][i] = s->x[j];

[Bug libstdc++/69881] with gcc-6 of today building gcc-4.9 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881 --- Comment #19 from Bernd Edlinger --- (In reply to Jonathan Wakely from comment #18) > > Yes, I do have such targets. > > We use eCos at Softing as real time O/S a lot. > > Great, that's good to know. > > > I think I will build an ecos cross

[Bug tree-optimization/68963] [4.9/5/6 Regression] O3 vs. O2 discards part of loop and terminates early

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68963 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/69886] ICE: in process_insert_insn, at gcse.c:1976 with --param=gcse-unrestricted-cost=0 @ aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69886 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug c/69900] [6 Regression] Unhelpful diagnostic about Ignored options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69900 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libstdc++/69881] with gcc-6 of today building gcc-4.9 fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881 --- Comment #18 from Jonathan Wakely --- (In reply to Bernd Edlinger from comment #13) > (In reply to Jonathan Wakely from comment #12) > > (In reply to Bernd Edlinger from comment #9) > > > right now I am trying to boot-strap this: > > > > > >

[Bug target/69810] PowerPC64: unrecognizable insn

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69810 --- Comment #5 from Segher Boessenkool --- It also happens with 4.8, which does not have the EXTQI patch yet, and not the WORD_REGISTER_OPERATIONS either. It wasn't hidden, just no one ever noticed :-)

[Bug tree-optimization/69882] [6 regression] Excessive reduction statements generated by SLP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69882 --- Comment #5 from Richard Biener --- Ok, I think what goes wrong is t.f90:13:0: note: Detected interleaving load *a_19(D)[_54] and *a_19(D)[_18] t.f90:13:0: note: Detected interleaving load of size 4 starting with _55 = *a_19(D)[_54];

[Bug c++/69902] [6 Regression] Bogus -Wnonnull-compare for: dynamic_cast<T*>() == nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69902 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/69888] ICE: SIGSEGV in decide_alg (i386.c:26169) due to infinite (?) recursion with -minline-all-stringops -mmemset-strategy=no_stringop:-1:noalign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69888 --- Comment #3 from Uroš Bizjak --- (In reply to Uroš Bizjak from comment #2) > (In reply to Jakub Jelinek from comment #1) > > > Untested fix. > Looks OK, but please introduce a temporary variable, something like: > > + HOST_WIDE_INT

[Bug tree-optimization/69882] [6 regression] Excessive reduction statements generated by SLP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69882 --- Comment #4 from Richard Biener --- Created attachment 37752 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37752=edit simplified testacse

[Bug tree-optimization/69882] [6 regression] Excessive reduction statements generated by SLP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69882 --- Comment #3 from Richard Biener --- The IL you refer to makes sense to me, the vectorizer sees t.f90:13:0: note: Final SLP tree for instance: t.f90:13:0: note: node t.f90:13:0: note: stmt 0 M.0_140 = MAX_EXPR <_139, c_I_lsm.10_129>;

[Bug target/69888] ICE: SIGSEGV in decide_alg (i386.c:26169) due to infinite (?) recursion with -minline-all-stringops -mmemset-strategy=no_stringop:-1:noalign

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69888 --- Comment #2 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #1) > Untested fix. Looks OK, but please introduce a temporary variable, something like: --cut here-- diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P4 --- Comment #2 from Jakub Jelinek

[Bug bootstrap/69885] [6 Regression] ICE in maybe_legitimize_operand, at optabs.c:6903 on m68k-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69885 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug fortran/69368] [6 Regression] spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368 --- Comment #67 from Dominique d'Humieres --- > > How can K(1) and K(2*1) be the same without using undefinedness explicitely? > They can't, but why does that matter for undefined behavior? > The CSE code in DOM doesn't try to analyze the array

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