Add skip test for clang, which has insufficient debug info for call site in main().
Add skip test for clang, which has insufficient debug info for call site in main().


git-svn-id: b33bab8abb5b18c12ee100cd7761ab452d00b2b0@136184 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb