Change a bunch of uses of 'CurLexer->' to 'CurPPLexer->', which should be the alias for the current PreprocessorLexer. No functionality change. Performance testing shows this results in no performance degradation when preprocessing Cocoa.h.
Change a bunch of uses of 'CurLexer->' to 'CurPPLexer->', which should be the
alias for the current PreprocessorLexer. No functionality change. Performance
testing shows this results in no performance degradation when preprocessing
Cocoa.h.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@59474 91177308-0d34-0410-b5e6-96231b3b80d8

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