This adjusts the tests for the difference between line endings on
different platforms. Windows uses CRLF while most Unicies use LF. This
was exposed during the update to the new LLVM snapshot.
This converts the instances of the pattern for which we have a proper
substitution in lit. This will make it easier to replace it
appropriately with Windows equivalents.
For instance:
protocol P1 {
func foo()
}
protocol P2 : P1 {
func bar()
}
extension P2 {
func foo() {}
}
We report the foo() in P2's extension as the default implementation of foo() declared in P1.
