[Bug tree-optimization/69932] gcc ICE at -O1 and above on valid code on x86_64-linux-gnu with “seg fault”

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69932 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69920 Jakub Jelinek changed: What|Removed |Added CC||helloqirun at gmail dot com --- Comment

[Bug tree-optimization/69907] [6 Regression] wrong code at -O3 on x86_64-linux-gnu

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69907 --- Comment #4 from Richard Biener --- Author: rguenth Date: Wed Feb 24 08:27:25 2016 New Revision: 233655 URL: https://gcc.gnu.org/viewcvs?rev=233655&root=gcc&view=rev Log: 2016-02-24 Richard Biener PR tree-optimization/69907

[Bug tree-optimization/69907] [6 Regression] wrong code at -O3 on x86_64-linux-gnu

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69907 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69909 --- Comment #13 from Jakub Jelinek --- Author: jakub Date: Wed Feb 24 08:36:16 2016 New Revision: 233656 URL: https://gcc.gnu.org/viewcvs?rev=233656&root=gcc&view=rev Log: PR middle-end/69909 * expr.c (expand_expr_real_1) : Avoid

[Bug c/69918] [6 regression] gcc.dg/torture/builtin-integral-1.c FAILs

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69918 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Wed Feb 24 08:37:41 2016 New Revision: 233657 URL: https://gcc.gnu.org/viewcvs?rev=233657&root=gcc&view=rev Log: PR c/69918 * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH):

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69909 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/69918] [6 regression] gcc.dg/torture/builtin-integral-1.c FAILs

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69918 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/69936] New: 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)

2016-02-24 Thread chengniansun at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Bug ID: 69936 Summary: 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) Product: gcc Ver

[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)

2016-02-24 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code Component|c

[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)

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

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

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68963 --- Comment #7 from Richard Biener --- Ok, I think the issue is really in record_nonwrapping_iv doing wide_int min, max; extreme = fold_convert (unsigned_type, high); if (TREE_CODE (orig_base) == SSA_NAME && TREE_CODE

[Bug fortran/69937] New: -Wuninitialized does not warn when an uninitialised variable is printed before use

2016-02-24 Thread kloedej at knmi dot nl
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69937 Bug ID: 69937 Summary: -Wuninitialized does not warn when an uninitialised variable is printed before use Product: gcc Version: 5.3.1 Status: UNCONFIRMED Severi

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

2016-02-24 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED Assignee

[Bug fortran/69929] Internal compiler error GCC$ ATTRIBUTES STDCALL

2016-02-24 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69929 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug fortran/34721] Output statements fool the -Wuninitialized option

2016-02-24 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34721 Dominique d'Humieres changed: What|Removed |Added CC||kloedej at knmi dot nl --- Commen

[Bug fortran/69937] -Wuninitialized does not warn when an uninitialised variable is printed before use

2016-02-24 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69937 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug bootstrap/69709] [6 Regression] profiled bootstrap error on s390x-linux-gnu with r233194

2016-02-24 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709 --- Comment #7 from Dominik Vogt --- The stage1 compiler does something wrong when compiling gcc/real.c (with -fprofile-generate). The function div_significands() (inlined into do_divide()) returns a wrong result due to bad register usage in thi

[Bug fortran/69929] Internal compiler error GCC$ ATTRIBUTES STDCALL

2016-02-24 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69929 --- Comment #2 from Dominique d'Humieres --- Also related to pr68040.

[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

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 --- Comment #8 from Richard Biener --- Patch in comment #6 bootstrapped and tested ok. The following patch also fixes the issue: Index: gcc/tree-chrec.c === --- gcc/tree-chrec.c

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

2016-02-24 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Bug ID: 69938 Summary: [6.0 Regression] FAIL: gcc.dg/tree-ssa/pr69666.c (internal compiler error) Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

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

2016-02-24 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Uroš Bizjak changed: What|Removed |Added Target|alpha-linux-gnu |alpha-linux-gnu, |

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

2016-02-24 Thread jgreenhalgh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69841 James Greenhalgh changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jgreenhalgh at gcc dot gnu.org

[Bug target/69875] [4.9/5/6 Regression] Wrong barrier placement for 64-bit atomic loads on arm

2016-02-24 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69875 --- Comment #2 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Wed Feb 24 11:00:28 2016 New Revision: 233658 URL: https://gcc.gnu.org/viewcvs?rev=233658&root=gcc&view=rev Log: [ARM] PR target/69875 Fix atomic_loaddi expansion

[Bug target/69875] [4.9/5 Regression] Wrong barrier placement for 64-bit atomic loads on arm

2016-02-24 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69875 ktkachov at gcc dot gnu.org changed: What|Removed |Added Summary|[4.9/5/6 Regression] Wrong |[4.9/5 Regression] Wrong

Order Conf. 3360069

2016-02-24 Thread Abigail Jones
Please see attached Order Conf__3360069_22_02_2016.docm Description: Order Conf__3360069_22_02_2016.docm

[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

2016-02-24 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 --- Comment #9 from amker at gcc dot gnu.org --- (In reply to Richard Biener from comment #8) > Patch in comment #6 bootstrapped and tested ok. > > The following patch also fixes the issue: > > Index: gcc/tree-chrec.c > =

[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

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69760 --- Comment #10 from Richard Biener --- Created attachment 37779 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37779&action=edit patch The attached also fixes the issue (creating the same code) and has "valid" CHRECs. No vect.exp fallout

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

2016-02-24 Thread padhi at cs dot ucla.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 Bug ID: 69939 Summary: Ambiguous forward in experimental/tuple Product: gcc Version: 5.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

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

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68963 --- Comment #8 from Richard Biener --- Author: rguenth Date: Wed Feb 24 12:03:27 2016 New Revision: 233660 URL: https://gcc.gnu.org/viewcvs?rev=233660&root=gcc&view=rev Log: 2016-02-24 Richard Biener PR middle-end/68963 * tre

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69922 --- Comment #4 from Jakub Jelinek --- Created attachment 37780 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37780&action=edit gcc6-pr69922.patch Well, setting TREE_NO_WARNING on the spot where the C++ FE adds the artificial compares is n

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69938 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug target/69940] New: gcc.c-torture/execute/alias-3.c FAILs with Solaris/x86 as

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69940 Bug ID: 69940 Summary: gcc.c-torture/execute/alias-3.c FAILs with Solaris/x86 as Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priori

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

2016-02-24 Thread padhi at cs dot ucla.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 --- Comment #1 from Saswat Padhi --- Also, the `get` should be `std::get` in the same line.

[Bug target/69940] gcc.c-torture/execute/alias-3.c FAILs with Solaris/x86 as

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69940 Rainer Orth changed: What|Removed |Added Target Milestone|--- |6.0

[Bug tree-optimization/69068] [6 Regression] ICE in bb_contains_loop_phi_nodes, at graphite-isl-ast-to-gimple.c:1279

2016-02-24 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69068 Arseny Solokha changed: What|Removed |Added CC||spop at gcc dot gnu.org --- Comment #3

[Bug fortran/68887] [6 regression] gfortran.dg/coarray/event_[12].f90 -fcoarray=lib -O2 -lcaf_single -latomic fails

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68887 Rainer Orth changed: What|Removed |Added CC||ro at gcc dot gnu.org --- Comment #3 from

[Bug tree-optimization/69719] [5 Regression] wrong code at -O3 on x86_64-linux-gnu

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69719 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/69609] block reordering consumes an inordinate amount of time, REE consumes much memory

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69609 --- Comment #14 from Richard Biener --- Author: rguenth Date: Wed Feb 24 12:55:31 2016 New Revision: 233661 URL: https://gcc.gnu.org/viewcvs?rev=233661&root=gcc&view=rev Log: 2016-02-24 Richard Biener Backport from mainline 2

[Bug tree-optimization/69719] [5 Regression] wrong code at -O3 on x86_64-linux-gnu

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69719 --- Comment #8 from Richard Biener --- Author: rguenth Date: Wed Feb 24 12:55:31 2016 New Revision: 233661 URL: https://gcc.gnu.org/viewcvs?rev=233661&root=gcc&view=rev Log: 2016-02-24 Richard Biener Backport from mainline 20

[Bug tree-optimization/69783] [6 Regression] Loop is not vectorized after r233212

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69783 --- Comment #8 from Richard Biener --- Author: rguenth Date: Wed Feb 24 12:55:31 2016 New Revision: 233661 URL: https://gcc.gnu.org/viewcvs?rev=233661&root=gcc&view=rev Log: 2016-02-24 Richard Biener Backport from mainline 20

[Bug rtl-optimization/69609] block reordering consumes an inordinate amount of time, REE consumes much memory

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69609 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug target/69331] [6 regression] FAIL: 20_util/shared_ptr/thread/default_weaktoshared.cc execution test

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69331 Rainer Orth changed: What|Removed |Added Target|hppa-unknown-linux-gnu |hppa-unknown-linux-gnu |

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

2016-02-24 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69886 --- Comment #3 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Wed Feb 24 13:00:10 2016 New Revision: 233662 URL: https://gcc.gnu.org/viewcvs?rev=233662&root=gcc&view=rev Log: [gcse] PR rtl-optimization/69886: Check target mode in can

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

2016-02-24 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69806 Oleg Endo changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

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

2016-02-24 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/66337] __alignof__(s.d) incorrect for a double member with -malign-power

2016-02-24 Thread kelvin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66337 kelvin at gcc dot gnu.org changed: What|Removed |Added Assignee|kelvin at gcc dot gnu.org |unassigned at gcc dot

[Bug rtl-optimization/69941] New: bogus zero_extend transformation in postreload on aarch64

2016-02-24 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69941 Bug ID: 69941 Summary: bogus zero_extend transformation in postreload on aarch64 Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: wrong-code Se

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

2016-02-24 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69916 --- Comment #3 from Nathan Sidwell --- Fixed on gomp4 r233663. Porting to trunk ...

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

2016-02-24 Thread nathan at gcc dot gnu.org
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&root=gcc&view=rev Log: gcc/ PR other/69916 * omp-low.c (struct oacc_loo

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69922 Jakub Jelinek changed: What|Removed |Added Attachment #37780|0 |1 is obsolete|

[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)

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 --- Comment #2 from Jakub Jelinek --- Verified it is r233626.

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

2016-02-24 Thread jakub at gcc dot gnu.org
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&root=gcc&view=rev Log: PR middle-end/69915 * tree.c (build_vector_from_ctor): Fix

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69915 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

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

2016-02-24 Thread redi at gcc dot gnu.org
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&root=gcc&view=rev Log: libstdc++/69939 Qualify get and forward PR libstdc++/69939

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

2016-02-24 Thread redi at gcc dot gnu.org
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&root=gcc&view=rev Log: libstdc++/69939 Qualify get and forward PR libstdc++/69939

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

2016-02-24 Thread rguenth at gcc dot gnu.org
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

2016-02-24 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69939 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Version|5.4.0

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

2016-02-24 Thread marxin at gcc dot gnu.org
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&action=edit Suggested patch Well, the situation is not so easy. Ideally, I would set m_reverse_map = NULL in mem_alloc_descr

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

2016-02-24 Thread rguenth at gcc dot gnu.org
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 t

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

2016-02-24 Thread rguenther at suse dot de
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 > --> https://gcc

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

2016-02-24 Thread rguenth at gcc dot gnu.org
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 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

2016-02-24 Thread rguenth at gcc dot gnu.org
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&root=gcc&view=rev Log: 2016-02-24 Richard Biener Jakub Jelinek PR middl

[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)

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69936 Richard Biener changed: What|Removed |Added Priority|P3 |P1

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

2016-02-24 Thread ro at gcc dot gnu.org
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 rtl-optimization/68749] FAIL: gcc.dg/ifcvt-4.c scan-rtl-dump ce1 "2 true changes made"

2016-02-24 Thread ro at gcc dot gnu.org
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&action=edit sparcv9 ifcvt-4.c.227r.ce1

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

2016-02-24 Thread ro at gcc dot gnu.org
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 A

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

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68659 Rainer Orth changed: What|Removed |Added Target|powerpc-*-*, arm*-*-*, |powerpc-*-*, arm*-*-*, |

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

2016-02-24 Thread doug.gilmore at imgtec dot com
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 rtl-optimization/69942] gcc.dg/ifcvt-5.c FAILs

2016-02-24 Thread ro at gcc dot gnu.org
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

2016-02-24 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67854 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

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

2016-02-24 Thread peter at cordes dot ca
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 debug/69705] [5/6 Regression] segfault in libgomp.fortran/task1.f90 with -flto -fno-use-linker-plugin -fno-toplevel-reorder -O1 -g

2016-02-24 Thread jakub at gcc dot gnu.org
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 tree-optimization/69935] load not hoisted out of linked-list traversal loop

2016-02-24 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69935 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

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

2016-02-24 Thread wandersys at aim dot com
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&action=edit A more detailed testcase

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

2016-02-24 Thread ktkachov at gcc dot gnu.org
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/69927] Internal compiler error (Segmentation fault) when compiling FFmpeg 3.0

2016-02-24 Thread rguenth at gcc dot gnu.org
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 lto/69607] undefined reference to MAIN__._omp_fn.0 in atomic_capture-1.f with -flto

2016-02-24 Thread vries at gcc dot gnu.org
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 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

2016-02-24 Thread rguenth at gcc dot gnu.org
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 Regress

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

2016-02-24 Thread ktkachov at gcc dot gnu.org
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 in

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

2016-02-24 Thread peter at cordes dot ca
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 intermediat

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

2016-02-24 Thread derrick at ca dot ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69924 derrick at ca dot ibm.com changed: What|Removed |Added Status|RESOLVED|UNCONFIRMED Resolutio

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

2016-02-24 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61949 Rainer Orth changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

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

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61949 Jakub Jelinek changed: What|Removed |Added Status|REOPENED|WAITING --- Comment #10 from Jakub Jelin

[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)

2016-02-24 Thread jakub at gcc dot gnu.org
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 libgcc/69944] New: ctype::widen issue, use self-define do_widen, get unexpected result.

2016-02-24 Thread derrick at ca dot ibm.com
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 tree-optimization/69666] [5 Regression] gcc ICE at -O2 and -O3 on valid code on x86_64-linux-gnu in "verify_gimple failed"

2016-02-24 Thread jamborm at gcc dot gnu.org
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&root=gcc&view=rev Log: 2016-02-24 Martin Jambor revert: 2016-02-23 Martin

[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)

2016-02-24 Thread joakim.tjernlund at infinera dot com
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 crossde

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

2016-02-24 Thread mkuvyrkov at gcc dot gnu.org
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&root=gcc&view=rev Log: PR debug/61033 * g++.dg/pr61033.C: Add a regression

[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)

2016-02-24 Thread jakub at gcc dot gnu.org
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 /usr/power

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

2016-02-24 Thread jb999 at gmx dot de
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 --enable-

[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)

2016-02-24 Thread joakim.tjernlund at infinera dot com
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 d

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

2016-02-24 Thread redi at gcc dot gnu.org
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: nor

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

2016-02-24 Thread jakub at gcc dot gnu.org
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 target/69946] [6 Regression] Invalid ppc64 assembly emitted starting with r226005

2016-02-24 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69946 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 Status|UNCONFIRMED

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

2016-02-24 Thread msebor at gcc dot gnu.org
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&root=gcc&view=rev Log: PR c++/69912 - [6 regression] ICE in build_ctor_subob_ref initializing

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

2016-02-24 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69912 Martin Sebor changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

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

2016-02-24 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69927 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

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

2016-02-24 Thread trippels at gcc dot gnu.org
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 error:

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

2016-02-24 Thread jason at gcc dot gnu.org
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 reflected

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