Don't set Sema's StdNamespace or StdBadAlloc if they've already been set

llvm-svn: 136318
1 file changed
tree: a1e6b396cbede6bfe051ee17e60b2bdc04d24e25
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/