noexcept for <map>.

llvm-svn: 132639
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 1052ee39cbaf1a8e47df0b5b6a63d5b492367dfb
12 files changed