[Bug tree-optimization/51865] [4.7 Regression] ICE in insert_vi_for_tree, at tree-ssa-structalias.c:2642

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51865

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-01-15 
16:09:20 UTC ---
Created attachment 26333
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26333
preprocessed testcase

> Please attach preprocessed testcase.

r183091 is OK
r183136 gives the ICE.