Polly devs: please check if these commands really should fail.

llvm-svn: 187263

Use 'opt < %s' instead of just 'opt %s' to ensure that no temporary files are
created.

llvm-svn: 167372

This version is equivalent to commit ba26ebece8f5be84e9bd6315611d412af797147e
in the old git repository.

llvm-svn: 130476