Add a triple to the run lines so that integers will the same sizes across runs.
Also add a compile time check to ensure the assumptions about sizes are met.
llvm-svn: 265991
When visiting AssignmentOps, keep evaluating after a failure (when possible) in
order to identify overflow in subexpressions.
Differential Revision: http://reviews.llvm.org/D1238
llvm-svn: 228202