Enable the following CFLAGS in the Xcode project build:
Enable the following CFLAGS in the Xcode project build:

    -flimit-debug-info -feliminate-unused-debug-types -Wparentheses

This helps to trim down the debug information size a bit by omitting types
that aren't used.



git-svn-id: b33bab8abb5b18c12ee100cd7761ab452d00b2b0@140611 91177308-0d34-0410-b5e6-96231b3b80d8

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