This test assumes that -rtlib defaults to libgcc. But that isn't true in the...

This test assumes that -rtlib defaults to libgcc. But that isn't true in the face of -DCLANG_DEFAULT_RTLIB=compiler-rt.

Subscribers: dberris, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59674

llvm-svn: 356724