[Bug tree-optimization/46066] New: [4.6 Regression] ICE: in create_parallel_loop, at tree-parloops.c:1455 with -ftree-parallelize-loops -g
zsojka at seznam dot cz
gcc-bugzilla@gcc.gnu.org
Mon Oct 18 14:15:00 GMT 2010
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46066
Summary: [4.6 Regression] ICE: in create_parallel_loop, at
tree-parloops.c:1455 with -ftree-parallelize-loops -g
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22076
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22076
reduced testcase (almost the same as gcc.dg/autopar/outer-2.c)
Compiler output:
$ gcc -O -ftree-parallelize-loops=4 -g pr46066.c
pr46066.c: In function 'parloop':
pr46066.c:2:1: internal compiler error: in create_parallel_loop, at
tree-parloops.c:1455
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
fails with -ftree-parallelize-loops=[234]
Tested revisions:
r165629 - crash
r161659 - crash
r159696 - OK
4.5 r163761 - OK
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