[Bug target/53385] [4.8 Regression] "Error: operand out of range" after changes for LSHIFT_EXPR in vrp.c

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53385

--- Comment #12 from William J. Schmidt <wschmidt at gcc dot gnu.org> 
2012-05-18 14:05:06 UTC ---
Created attachment 27433
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27433
Tentative patch

Tentative patch following Jakub's suggestion.  This fixes bootstrap.  Pending
approval.