Fix global overflow in types::lookupTypeForTypeSpecifier.

memcpy() is allowed to read entire contents of both memory areas.

Found with AddressSanitizer.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176237 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed