Cherry-pick upstream r237073

Allow empty assembly string literal with -fno-gnu-inline-asm

Empty assembly string will not introduce assembly code in the output
binary and it is often used as a trick in the header to disable
optimizations. It doesn't conflict with the purpose of the option so it
is allowed with -fno-gnu-inline-asm flag.

git-svn-id: 91177308-0d34-0410-b5e6-96231b3b80d8


Review URL: .
3 files changed