[Bug tree-optimization/55761] process_assignment assumes -1 can be created

[paulo@matos-sorge.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55761

--- Comment #3 from Paulo J. Matos <paulo@matos-sorge.com> 2012-12-20 16:01:23 UTC ---
Created attachment 29014
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29014
Use built_int_cst only for integral types, otherwise use fold_build1