tree bf804a1ae4b4062f99863a840b45826a5adcc553
parent f5bb9ae23d68ffb1e1c37b05fc8d943bc6bff12e
author Rafael Espindola <rafael.espindola@gmail.com> 1311291637 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> 1311291637 +0000

Avoid warning on "clang -c -Dfoo test.i". Lines like these are created
when using ccache and libtool.m4 assumes that the compiler cannot print
warnings about options it knows about.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135723 91177308-0d34-0410-b5e6-96231b3b80d8