[Bug debug/48159] [4.7 Regression] ICE: SIGSEGV in build2_stat (tree.c:3802) with -O -ftree-loop-distribution -fno-tree-ch -g

["zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48159

--- Comment #5 from Zdenek Sojka <zsojka at seznam dot cz> 2011-05-05 18:43:43 UTC ---
Created attachment 24191
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24191
reduced testcase from comment #2

$ gcc -O3 -g pr48159-2.c -fno-tree-loop-distribute-patterns -c
$ gcc -O3 -g pr48159-2.c
pr48159-2.c: In function 'foo':
pr48159-2.c:4:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Fails with both 4.7 and 4.6.1 (r173059).

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