[CrashReproducer] Add test to run the reproducer script + modules
[CrashReproducer] Add test to run the reproducer script + modules

Now that we have basic support in place, make sure the reproducer script
works with modules for a simple testcase.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@266235 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 76ace1ff8d66981fcf542fb62e0539b203111479)

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang