[Bug bootstrap/58521] [4.9 Regression] bootstrap failure: ICE in mem_ref_in_stmt, at tree-ssa-loop-im.c:677

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58521

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
As remarked in PR58524: For me, it failed with MALLOC_PERTURB_ set and didn't
without, which implies that some uninitialized memory is used.