Fix the visibility of methods of explicit template instantiation definition
when using -fvisibility-inlines-hidden. This matches gcc's behavior and
documentation.

Fixes PR11642.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147295 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed