[Bug tree-optimization/42205] [4.5 Regression] [graphite] internal compiler error: verify_ssa failed with -ffast-math -floop-interchange

[zsojka at seznam dot cz]

------- Comment #4 from zsojka at seznam dot cz  2009-12-07 18:02 -------
Created an attachment (id=19250)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19250&action=view)
different testcase, this one is using doubles

tested r155020, crashes with:
-O1 -funsafe-math-optimizations -floop-interchange
-O1 -funsafe-math-optimizations -floop-strip-mine
-O1 -funsafe-math-optimizations -floop-block

pr42205-2.c:1:8: internal compiler error: gimple check: expected
gimple_assign(error_mark), have gimple_nop() in gimple_assign_rhs_code, at
gimple.h:1820


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42205