Only apply -fvisibility-inlines-hidden to definitions.  Apparently
isInlined() just gives meaningless results for non-definitions.

Fixes rdar://problem/8614470



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117887 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed