[Bug tree-optimization/69740] [5/6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "verify_loop_structure"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69740 --- Comment #5 from Jeffrey A. Law --- The testcase in c#3 is another instance of this problem, but triggered by sinking. I'd already been pondering the benefit/risk of attacking this at a higher level (like in delete_basic_block) and seeing

[Bug c++/69564] [5/6 Regression] lto and/or C++ make scimark2 LU slower

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment

[Bug inline-asm/69899] gcc ICE on invalid code on x86_64-linux-gnu in "replace_reg"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69899 David changed: What|Removed |Added CC||gccbugzilla@limegreensocks. |

[Bug c++/69952] New: ICE with a long double vector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69952 Bug ID: 69952 Summary: ICE with a long double vector Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug debug/21106] ICE at dwarf2out.c:8362 with type attributes and arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21106 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/69951] New: wrong code at -O1 and above on x86_64-linux-gnu

--enable-languages=c,c++ --disable-werror --enable-multilib Thread model: posix gcc version 6.0.0 20160224 (experimental) [trunk revision 233678] (GCC) $ gcc-trunk abc.c $ ./a.out $ gcc-trunk -O1 abc.c $ ./a.out Aborted (core dumped) $ cat abc.c int a = 1, c = 1; extern int b

[Bug c++/69736] [4.9/5/6 Regression] "error: too few arguments to function" in c++14 but not c++11

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69736 Patrick Palka changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/69736] [4.9/5/6 Regression] "error: too few arguments to function" in c++14 but not c++11

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69736 --- Comment #8 from Patrick Palka --- Author: ppalka Date: Thu Feb 25 01:14:27 2016 New Revision: 233691 URL: https://gcc.gnu.org/viewcvs?rev=233691=gcc=rev Log: Fix PR c++/69736 gcc/cp/ChangeLog: PR c++/69736 * cp-tree.h

[Bug fortran/69910] ICE with NEWUNIT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69910 --- Comment #6 from Jerry DeLisle --- Patch submiited: https://gcc.gnu.org/ml/fortran/2016-02/msg00095.html

[Bug target/23093] base class template specialization in library

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23093 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug debug/49459] attribute((mode(byte))) in a typedef produces wrong debug information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49459 Martin Sebor changed: What|Removed |Added Last reconfirmed|2011-06-17 18:56:47 |2016-2-24 CC|

[Bug c/51147] attribute((mode(byte))) on an enum generates wrong code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51147 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c/51147] attribute((mode(byte))) on an enum generates wrong code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51147 --- Comment #4 from Martin Sebor --- Author: msebor Date: Wed Feb 24 23:26:42 2016 New Revision: 233686 URL: https://gcc.gnu.org/viewcvs?rev=233686=gcc=rev Log: PR c/51147 - attribute((mode(byte))) on an enum generates wrong code

[Bug tree-optimization/69950] New: Allow more than one exit phi for reduction in try_create_reduction_list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69950 Bug ID: 69950 Summary: Allow more than one exit phi for reduction in try_create_reduction_list Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: minor

[Bug tree-optimization/69949] New: Optimally handle case that outer phi res is not used in a phi in gather_scalar_reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69949 Bug ID: 69949 Summary: Optimally handle case that outer phi res is not used in a phi in gather_scalar_reductions Product: gcc Version: 6.0 Status: UNCONFIRMED

[Bug libstdc++/69945] Provide an equivalent of __libc_freeres to release emergency EH pool memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69945 --- Comment #1 from Mark Wielaard --- See also this valgrind bug: https://bugs.kde.org/show_bug.cgi?id=345307

[Bug tree-optimization/69948] New: Parallelize loops containing phis with addr_exprs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69948 Bug ID: 69948 Summary: Parallelize loops containing phis with addr_exprs Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: minor Priority: P3 Component:

[Bug debug/69705] [5 Regression] segfault in libgomp.fortran/task1.f90 with -flto -fno-use-linker-plugin -fno-toplevel-reorder -O1 -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69705 Jakub Jelinek changed: What|Removed |Added Summary|[5/6 Regression] segfault |[5 Regression] segfault in

[Bug c++/69922] [6 Regression] Bogus -Wnonnull-compare for: ... ? static_cast<T*>(this) : nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69922 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/69705] [5/6 Regression] segfault in libgomp.fortran/task1.f90 with -flto -fno-use-linker-plugin -fno-toplevel-reorder -O1 -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69705 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Wed Feb 24 22:04:09 2016 New Revision: 233685 URL: https://gcc.gnu.org/viewcvs?rev=233685=gcc=rev Log: PR debug/69705 * dwarf2out.c (gen_variable_die): Work around buggy

[Bug c++/69922] [6 Regression] Bogus -Wnonnull-compare for: ... ? static_cast<T*>(this) : nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69922 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Wed Feb 24 22:01:24 2016 New Revision: 233684 URL: https://gcc.gnu.org/viewcvs?rev=233684=gcc=rev Log: PR c++/69922 * class.c (build_base_path): Set TREE_NO_WARNING on

[Bug c/69819] [4.9/5/6 Regression] ICE on invalid code on x86_64-linux-gnu in tree check: expected function_type or method_type, have array_type in function_args_iter_init, at tree.h:4536

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69819 Marek Polacek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/69819] [4.9/5/6 Regression] ICE on invalid code on x86_64-linux-gnu in tree check: expected function_type or method_type, have array_type in function_args_iter_init, at tree.h:4536

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69819 --- Comment #6 from Marek Polacek --- Author: mpolacek Date: Wed Feb 24 21:47:59 2016 New Revision: 233683 URL: https://gcc.gnu.org/viewcvs?rev=233683=gcc=rev Log: PR c/69819 * c-decl.c (finish_decl): Don't update the copy of

[Bug tree-optimization/68659] [6 regression] FAIL: gcc.dg/graphite/id-pr45230-1.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68659 vries at gcc dot gnu.org changed: What|Removed |Added CC||vries at gcc dot gnu.org ---

[Bug c++/68049] [5/6 Regression] template instantiation involving may_alias defines symbol twice

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68049 Jason Merrill changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/69125] [6 regression] Please don't print "‘visibility’ attribute ignored" when setting hidden visibility for anonymous namespace classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69125 Jason Merrill changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug sanitizer/69839] cross-compiling programs w/-fsanitize=address fails: ld: warning: libstdc++.so.6, needed by libasan.so, not found (try using -rpath or -rpath-link)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69839 --- Comment #5 from Jakub Jelinek --- Likely a bug on the Gentoo side. The linker handles differently libraries specified on the command line and libraries that are needed by those shared libraries, but are not mentioned on the command line.

[Bug c++/69323] [4.9/5/6 Regression] Segmentation fault when instantiating class template with inner class which declares itself as a friend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69323 Jason Merrill changed: What|Removed |Added Keywords|ice-on-valid-code |ice-on-invalid-code

[Bug fortran/60126] Internal compiler error with code using pointer reshaping (gfortran 4.8.2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60126 --- Comment #4 from Harald Anlauf --- For a simple testcase that can be added to the trunk see https://gcc.gnu.org/ml/fortran/2016-02/msg00092.html

[Bug debug/69947] New: [6 Regression] DW_OP_GNU_implicit_pointer broken on the trunk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69947 Bug ID: 69947 Summary: [6 Regression] DW_OP_GNU_implicit_pointer broken on the trunk Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: wrong-debug

[Bug debug/69947] [6 Regression] DW_OP_GNU_implicit_pointer broken on the trunk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69947 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug c++/69323] [4.9/5/6 Regression] Segmentation fault when instantiating class template with inner class which declares itself as a friend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69323 --- Comment #8 from Jason Merrill --- Author: jason Date: Wed Feb 24 19:56:09 2016 New Revision: 233682 URL: https://gcc.gnu.org/viewcvs?rev=233682=gcc=rev Log: PR c++/69323 - errors * friend.c (make_friend_class): Likewise.

[Bug tree-optimization/69740] [5/6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "verify_loop_structure"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69740 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #4

[Bug c++/69323] [4.9/5/6 Regression] Segmentation fault when instantiating class template with inner class which declares itself as a friend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69323 --- Comment #7 from Jason Merrill --- Author: jason Date: Wed Feb 24 19:56:03 2016 New Revision: 233681 URL: https://gcc.gnu.org/viewcvs?rev=233681=gcc=rev Log: PR c++/69323 - valid * pt.c (instantiate_class_template_1): Set

[Bug c++/69323] [4.9/5/6 Regression] Segmentation fault when instantiating class template with inner class which declares itself as a friend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69323 --- Comment #6 from Jason Merrill --- Author: jason Date: Wed Feb 24 19:55:45 2016 New Revision: 233679 URL: https://gcc.gnu.org/viewcvs?rev=233679=gcc=rev Log: PR c++/69323 - valid * pt.c (instantiate_class_template_1): Set

[Bug tree-optimization/69811] [5/6 Regression] A gcc folding issue at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69811 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #6

[Bug middle-end/69920] [6 Regression] FAIL: g++.dg/torture/pr42704.C -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 Jeffrey A. Law changed: What|Removed |Added CC||chengniansun at gmail dot com ---

[Bug tree-optimization/69936] [6 Regression] ICE on x86_64-linux-gnu at -Os and above in both 32-bit and 64-bit modes (internal compiler error: cannot update SSA form)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug c++/69924] gcc5.2 compile Error: std::basic_istream: no match for 'operator>>', while gcc 4.8 works

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69924 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug middle-end/69920] [6 Regression] FAIL: g++.dg/torture/pr42704.C -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 Jeffrey A. Law changed: What|Removed |Added CC||ubizjak at gmail dot com --- Comment

[Bug tree-optimization/69938] [6 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/69927] [4.9 Regression] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[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 Bill Schmidt changed: What|Removed |Added Attachment #37759|0 |1 is obsolete|

[Bug c++/69924] gcc5.2 compile Error: std::basic_istream: no match for 'operator>>', while gcc 4.8 works

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69924 Daniel Krügler changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug tree-optimization/69938] [6 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 --- Comment #6 from Jeffrey A. Law --- So we have these statements during SRA: _4 = e[d.1_3]; _5 = (int) _4; We delete the first statement, presumably because we're going to apply SRA to the RHS of that statement. That releases _4 back to

[Bug target/69946] [6 Regression] Invalid ppc64 assembly emitted starting with r226005

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69946 Segher Boessenkool changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug tree-optimization/69938] [6 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 --- Comment #5 from Jeffrey A. Law --- The released name comes from tree-ssa: { if (access_has_children_p (racc) && !racc->grp_unscalarized_data) { if (dump_file) {

[Bug tree-optimization/69938] [6 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #4

[Bug target/69946] [6 Regression] Invalid ppc64 assembly emitted starting with r226005

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69946 --- Comment #1 from Jakub Jelinek --- To me this looks like the bug is in the analysis function not matching what the output function does. rs6000_is_valid_shift_mask has code like: 17346 /* Convert any shift by 0 to a rotate, to simplify

[Bug c++/69884] [6 Regression] warning: ignoring attributes on template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69884 --- Comment #4 from Jason Merrill --- The compiler is letting you know that within A<__m128> the __may_alias__ attribute is discarded, which may lead to unexpected results. Since that attribute doesn't affect type identity, so it isn't

[Bug c/69927] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 --- Comment #4 from Markus Trippelsdorf --- Should be: markus@x4 tmp % /usr/x86_64-pc-linux-gnu/gcc-bin/4.9.3/gcc -w -march=haswell -m32 -O3 -c vf_dejudder.i vf_dejudder.i: In function ‘filter_frame’: vf_dejudder.i:16:1: internal compiler

[Bug c/69927] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[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|ASSIGNED|RESOLVED Resolution|---

[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 --- Comment #2 from Martin Sebor --- Author: msebor Date: Wed Feb 24 17:23:35 2016 New Revision: 233678 URL: https://gcc.gnu.org/viewcvs?rev=233678=gcc=rev Log: PR c++/69912 - [6 regression] ICE in build_ctor_subob_ref initializing a

[Bug target/69946] [6 Regression] Invalid ppc64 assembly emitted starting with r226005

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69946 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 Status|UNCONFIRMED

[Bug target/69946] New: [6 Regression] Invalid ppc64 assembly emitted starting with r226005

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69946 Bug ID: 69946 Summary: [6 Regression] Invalid ppc64 assembly emitted starting with r226005 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/69945] New: Provide an equivalent of __libc_freeres to release emergency EH pool memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69945 Bug ID: 69945 Summary: Provide an equivalent of __libc_freeres to release emergency EH pool memory Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity:

[Bug sanitizer/69839] cross-compiling programs w/-fsanitize=address fails: ld: warning: libstdc++.so.6, needed by libasan.so, not found (try using -rpath or -rpath-link)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69839 --- Comment #4 from Joakim Tjernlund --- (In reply to Jakub Jelinek from comment #3) > That is the bug then. The linker doesn't search for DT_NEEDED shared > libraries in the -L directories, but in the -rpath{,-link} ones, or in the > standard

[Bug c/69927] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 --- Comment #2 from jb999 at gmx dot de --- Using built-in specs. COLLECT_GCC=gcc Target: i686-pc-linux-gnu Configured with: /tmp/gcc-4.9.3//configure --prefix=/usr --sysconfdir=/etc --sharedstatedir=/var/state --localstatedir=/var/state

[Bug sanitizer/69839] cross-compiling programs w/-fsanitize=address fails: ld: warning: libstdc++.so.6, needed by libasan.so, not found (try using -rpath or -rpath-link)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69839 --- Comment #3 from Jakub Jelinek --- That is the bug then. The linker doesn't search for DT_NEEDED shared libraries in the -L directories, but in the -rpath{,-link} ones, or in the standard directories (which for the sysroot would be

[Bug debug/61033] [4.9 Regression] Infinite loop in variable tracking

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61033 --- Comment #15 from Maxim Kuvyrkov --- Author: mkuvyrkov Date: Wed Feb 24 16:41:52 2016 New Revision: 233675 URL: https://gcc.gnu.org/viewcvs?rev=233675=gcc=rev Log: PR debug/61033 * g++.dg/pr61033.C: Add a regression testcase

[Bug sanitizer/69839] cross-compiling programs w/-fsanitize=address fails: ld: warning: libstdc++.so.6, needed by libasan.so, not found (try using -rpath or -rpath-link)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69839 --- Comment #2 from Joakim Tjernlund --- (In reply to Jakub Jelinek from comment #1) > Are you using a sysroot for this? If not, you should. Yes, the toolchain is sysrooted at /usr/powerpc-g2.20-linux-gnu/ (toolchain built with Gentoo's

[Bug tree-optimization/69666] [5 Regression] gcc ICE at -O2 and -O3 on valid code on x86_64-linux-gnu in "verify_gimple failed"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69666 --- Comment #10 from Martin Jambor --- Author: jamborm Date: Wed Feb 24 16:20:00 2016 New Revision: 233674 URL: https://gcc.gnu.org/viewcvs?rev=233674=gcc=rev Log: 2016-02-24 Martin Jambor revert: 2016-02-23

[Bug libgcc/69944] New: ctype::widen issue, use self-define do_widen, get unexpected result.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69944 Bug ID: 69944 Summary: ctype::widen issue, use self-define do_widen, get unexpected result. Product: gcc Version: 5.2.0 Status: UNCONFIRMED Severity: normal

[Bug sanitizer/69839] cross-compiling programs w/-fsanitize=address fails: ld: warning: libstdc++.so.6, needed by libasan.so, not found (try using -rpath or -rpath-link)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69839 --- Comment #1 from Jakub Jelinek --- Are you using a sysroot for this? If not, you should.

[Bug target/61949] [6 regression] SEGV compiling gcc.dg/pch/import-[12].c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61949 Jakub Jelinek changed: What|Removed |Added Status|REOPENED|WAITING --- Comment #10 from Jakub

[Bug target/61949] [6 regression] SEGV compiling gcc.dg/pch/import-[12].c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61949 Rainer Orth changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug c++/69924] gcc5.2 compile Error: std::basic_istream: no match for 'operator>>', while gcc 4.8 works

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69924 derrick at ca dot ibm.com changed: What|Removed |Added Status|RESOLVED|UNCONFIRMED

[Bug tree-optimization/69943] expressions with multiple associative operators don't always create instruction-level parallelism

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69943 --- Comment #3 from Peter Cordes --- (In reply to ktkachov from comment #2) > On second thought, reassociating signed addition is not legal in general > because we might introduce signed overflow where one didn't exist before. In an

[Bug tree-optimization/69943] expressions with multiple associative operators don't always create instruction-level parallelism

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69943 --- Comment #2 from ktkachov at gcc dot gnu.org --- On second thought, reassociating signed addition is not legal in general because we might introduce signed overflow where one didn't exist before. Changing your integer example to use unsigned

[Bug tree-optimization/69760] [4.9/5 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 Known to work||6.0 Summary|[4.9/5/6

[Bug lto/69607] undefined reference to MAIN__._omp_fn.0 in atomic_capture-1.f with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69607 --- Comment #23 from vries at gcc dot gnu.org --- pinged patch: https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01632.html

[Bug c/69927] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 --- Comment #1 from Richard Biener --- Can't reproduce - please show output with -v appended to the compiler command.

[Bug tree-optimization/69943] expressions with multiple associative operators don't always create instruction-level parallelism

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69943 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[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 #3 from wander --- Created attachment 37786 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37786=edit A more detailed testcase

[Bug tree-optimization/69935] load not hoisted out of linked-list traversal loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69935 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug debug/69705] [5/6 Regression] segfault in libgomp.fortran/task1.f90 with -flto -fno-use-linker-plugin -fno-toplevel-reorder -O1 -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69705 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug rtl-optimization/69943] New: expressions with multiple associative operators don't always create instruction-level parallelism

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69943 Bug ID: 69943 Summary: expressions with multiple associative operators don't always create instruction-level parallelism Product: gcc Version: 5.3.0 Status: UNCONFIRMED

[Bug rtl-optimization/69942] gcc.dg/ifcvt-5.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69942 Rainer Orth changed: What|Removed |Added Target Milestone|--- |6.0

[Bug c/67854] Missing diagnostic for passing bool to va_arg

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67854 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug rtl-optimization/69710] performance issue with SP Linpack with Autovectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69710 --- Comment #13 from Doug Gilmore --- I think this should be fairly straightforward to fix in the autovectorization pass. Hopefully I should be able to post a patch in the next few days.

[Bug tree-optimization/68659] [6 regression] FAIL: gcc.dg/graphite/id-pr45230-1.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68659 Rainer Orth changed: What|Removed |Added Target|powerpc-*-*, arm*-*-*, |powerpc-*-*, arm*-*-*,

[Bug rtl-optimization/69942] New: gcc.dg/ifcvt-5.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69942 Bug ID: 69942 Summary: gcc.dg/ifcvt-5.c FAILs Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization

[Bug rtl-optimization/68749] FAIL: gcc.dg/ifcvt-4.c scan-rtl-dump ce1 "2 true changes made"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68749 --- Comment #2 from Rainer Orth --- Created attachment 37783 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37783=edit sparcv9 ifcvt-4.c.227r.ce1

[Bug rtl-optimization/68749] FAIL: gcc.dg/ifcvt-4.c scan-rtl-dump ce1 "2 true changes made"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68749 Rainer Orth changed: What|Removed |Added Target|hppa64-hp-hpux11.11 |hppa64-hp-hpux11.11, |

[Bug tree-optimization/69936] [6 Regression] ICE on x86_64-linux-gnu at -Os and above in both 32-bit and 64-bit modes (internal compiler error: cannot update SSA form)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[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 --- Comment #11 from Richard Biener --- Author: rguenth Date: Wed Feb 24 14:54:01 2016 New Revision: 233669 URL: https://gcc.gnu.org/viewcvs?rev=233669=gcc=rev Log: 2016-02-24 Richard Biener Jakub Jelinek

[Bug tree-optimization/69938] [6.0 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Richard Biener changed: What|Removed |Added Priority|P3 |P1 --- Comment #3 from Richard Biener

[Bug middle-end/69919] pool allocator and mem-stat race at program exit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69919 --- Comment #4 from rguenther at suse dot de --- On Wed, 24 Feb 2016, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69919 > > --- Comment #3 from Martin Liška --- > Created attachment 37782 > -->

[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 #5 from Richard Biener --- It miscompiles gcc.dg/tree-ssa/pr23391.c and more (gcc.c-torture/execute/2422-1.c is another example). Looks like latch vs. stmt execution issues to me as the affected stmts are only after the IV exit

[Bug middle-end/69919] pool allocator and mem-stat race at program exit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69919 --- Comment #3 from Martin Liška --- Created attachment 37782 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37782=edit Suggested patch Well, the situation is not so easy. Ideally, I would set m_reverse_map = NULL in

[Bug libstdc++/69939] Ambiguous forward in experimental/tuple

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Version|5.4.0

[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 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug libstdc++/69939] Ambiguous forward in experimental/tuple

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 --- Comment #3 from Jonathan Wakely --- Author: redi Date: Wed Feb 24 13:59:29 2016 New Revision: 233666 URL: https://gcc.gnu.org/viewcvs?rev=233666=gcc=rev Log: libstdc++/69939 Qualify get and forward PR libstdc++/69939 *

[Bug libstdc++/69939] Ambiguous forward in experimental/tuple

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 --- Comment #2 from Jonathan Wakely --- Author: redi Date: Wed Feb 24 13:58:07 2016 New Revision: 233665 URL: https://gcc.gnu.org/viewcvs?rev=233665=gcc=rev Log: libstdc++/69939 Qualify get and forward PR libstdc++/69939 *

[Bug middle-end/69915] [6 Regression] ICE: SIGSEGV with -O -ftracer with broken backtrace

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69915 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/69915] [6 Regression] ICE: SIGSEGV with -O -ftracer with broken backtrace

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69915 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Wed Feb 24 13:54:39 2016 New Revision: 233664 URL: https://gcc.gnu.org/viewcvs?rev=233664=gcc=rev Log: PR middle-end/69915 * tree.c (build_vector_from_ctor): Fix handling

[Bug tree-optimization/69936] [6 Regression] ICE on x86_64-linux-gnu at -Os and above in both 32-bit and 64-bit modes (internal compiler error: cannot update SSA form)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 --- Comment #2 from Jakub Jelinek --- Verified it is r233626.

[Bug c++/69922] [6 Regression] Bogus -Wnonnull-compare for: ... ? static_cast<T*>(this) : nullptr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69922 Jakub Jelinek changed: What|Removed |Added Attachment #37780|0 |1 is obsolete|

[Bug middle-end/69916] [openacc] ICE in single_succ_edge called from oacc_loop_xform_loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69916 --- Comment #4 from Nathan Sidwell --- Author: nathan Date: Wed Feb 24 13:38:20 2016 New Revision: 233663 URL: https://gcc.gnu.org/viewcvs?rev=233663=gcc=rev Log: gcc/ PR other/69916 * omp-low.c (struct oacc_loop): Add

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