Fix broken test. We can't assume that 2MB of args is enough to require a response file.
Fix broken test. We can't assume that 2MB of args is enough to require a response file.

This test has apparently been broken for years, but we never noticed before
because it's a long test and long tests approximately never get run.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@300151 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang