[NFC] Header cleanup
Summary: Removed unused headers, replaced some headers with forward class declarations
Patch by: Eugene <claprix@yandex.ru>
Differential Revision: https://reviews.llvm.org/D20100
llvm-svn: 275882
diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index e68b82f..23bbace 100644
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -18,6 +18,7 @@
#include "clang/Lex/LexDiagnostic.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/ErrorHandling.h"