Simplify mangleFunctionDecl by unnesting a crazy condition.  This fixes
the check for extern "c" system headers, which should prevent functiondecls
from being mangled.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73311 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed