ccc: Add -ccc-echo special option, and support pulling CCC_CLANG,
CCC_ECHO, and CCC_FALLBACK from environment as ccc (old) did.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62207 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed