- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).
llvm-svn: 91446
This prevents emitting diagnostics which are almost certainly useless.
(Note that the test is checking that we emit only one diagnostic.)
llvm-svn: 65101
John McCall