Revert r158887. This fixes pr13168.

Revert "If an object (such as a std::string) with an appropriate c_str() member function"

This reverts commit 7d96f6106bfbd85b1af06f34fdbf2834aad0e47e.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158949 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed