[Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu

2015-11-13 Thread Joost.VandeVondele at mat dot ethz.ch 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68324

Joost VandeVondele  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2015-11-13
 CC||Joost.VandeVondele at mat dot 
ethz
   ||.ch
Summary|ICE on valid code at -O3 on |[6 Regression] ICE on valid
   |x86_64-linux-gnu|code at -O3 on
   ||x86_64-linux-gnu
 Ever confirmed|0   |1

[Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu

2015-11-13 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68324

Richard Biener  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #3 from Richard Biener  ---
Dup.

*** This bug has been marked as a duplicate of bug 68306 ***

[Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu

2015-11-13 Thread jgreenhalgh at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68324

James Greenhalgh  changed:

   What|Removed |Added

 Target||aarch64-none-linux-gnu,
   ||x86_64-none-linux-gnu
 CC||jgreenhalgh at gcc dot gnu.org

--- Comment #1 from James Greenhalgh  ---
I can reproduce this on aarch64-none-linux-gnu.

I also see a similar backtrace in the testsuite for AArch64 on
gcc.target/aarch64/vect-vaddv.c:

FAIL: gcc.target/aarch64/vect-vaddv.c (test for excess errors)
Excess errors:
.../gcc/testsuite/gcc.target/aarch64/vect-vaddv.c:87:5: internal compiler
error: Segmentation fault
0xad6cd7 crash_signal
.../gcc/toplev.c:336
0x10a09b8 dr_misalignment(data_reference*)
.../gcc/tree-vectorizer.h:889
0x10a09b8 aligned_access_p
.../gcc/tree-vectorizer.h:902
0x10a09b8 vect_supportable_dr_alignment(data_reference*, bool)
.../gcc/tree-vect-data-refs.c:5863
0xd13ce3 vectorizable_load
.../gcc/tree-vect-stmts.c:6706
0xd1c1d7 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*, _slp_tree*,
_slp_instance*)
.../gcc/tree-vect-stmts.c:7997
0xd33703 vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3468
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd35193 vect_schedule_slp(vec_info*)
.../gcc/tree-vect-slp.c:3533
0xd3851f vect_slp_bb(basic_block_def*)
.../gcc/tree-vect-slp.c:2525
0xd3a4db execute
.../gcc/tree-vectorizer.c:738

[Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu

2015-11-13 Thread dominiq at lps dot ens.fr 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68324

--- Comment #2 from Dominique d'Humieres  ---
Also seen on x86_64-apple-darwin14. Revision r230007 is OK, r230269 gives the
ICE.