http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46213
Summary: [4.6 Regression]
gfortran.dg/aliasing_array_result_1.f90 ICE: in
vectorizable_reduction, at tree-vect-loop.c:4046 with
custom compiler flags
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: zso...@seznam.cz
Created attachment 22192
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22192
auto-reduced testcase
Command line:
$ gcc -O -finline-small-functions -fno-tree-ccp -fno-tree-ch
-fno-tree-loop-ivcanon -ftree-vectorize
Compiler output:
$ gcc -O -finline-small-functions -fno-tree-ccp -fno-tree-ch
-fno-tree-loop-ivcanon -ftree-vectorize aliasing_array_result_1.f90
aliasing_array_result_1.f90: In function 'main':
aliasing_array_result_1.f90:74:0: internal compiler error: in
vectorizable_reduction, at tree-vect-loop.c:4046
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r166029 - crash
r161659 - crash
r159696 - OK
4.5 r165781 - OK
