Implement parsing and code generation of Objective-C string literals.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41238 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index ace6990..1509d10 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		1A30A9E90B93A4C800201A91 /* ExprCXX.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = 1A30A9E80B93A4C800201A91 /* ExprCXX.h */; };
+		1A7342480C7B57D500122F56 /* CGObjC.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A7342470C7B57D500122F56 /* CGObjC.cpp */; };
 		1A869A700BA2164C008DA07A /* LiteralSupport.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = 1A869A6E0BA2164C008DA07A /* LiteralSupport.h */; };
 		1A869AA80BA21ABA008DA07A /* LiteralSupport.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A869AA70BA21ABA008DA07A /* LiteralSupport.cpp */; };
 		1ABC36940C7A4BDC006DB0AB /* CGBuiltin.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1ABC36930C7A4BDC006DB0AB /* CGBuiltin.cpp */; };
@@ -196,6 +197,7 @@
 
 /* Begin PBXFileReference section */
 		1A30A9E80B93A4C800201A91 /* ExprCXX.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = ExprCXX.h; path = clang/AST/ExprCXX.h; sourceTree = "<group>"; };
+		1A7342470C7B57D500122F56 /* CGObjC.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CGObjC.cpp; path = CodeGen/CGObjC.cpp; sourceTree = "<group>"; };
 		1A869A6E0BA2164C008DA07A /* LiteralSupport.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LiteralSupport.h; sourceTree = "<group>"; };
 		1A869AA70BA21ABA008DA07A /* LiteralSupport.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = LiteralSupport.cpp; sourceTree = "<group>"; };
 		1ABC36930C7A4BDC006DB0AB /* CGBuiltin.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CGBuiltin.cpp; path = CodeGen/CGBuiltin.cpp; sourceTree = "<group>"; };
@@ -437,6 +439,7 @@
 				DEF2EFF20C6CDD74000C4259 /* CGAggExpr.cpp */,
 				DE224FF70C7AA98800D370A5 /* CGComplexExpr.cpp */,
 				DE4772FB0C10EAEC002239E8 /* CGExpr.cpp */,
+				1A7342470C7B57D500122F56 /* CGObjC.cpp */,
 				DE4772F90C10EAE5002239E8 /* CGStmt.cpp */,
 				DE928B120C05659200231DA4 /* ModuleBuilder.cpp */,
 			);
@@ -616,6 +619,7 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "clang" */;
+			compatibilityVersion = "Xcode 2.4";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* clang */;
 			projectDirPath = "";
@@ -692,6 +696,7 @@
 				DEF2F0100C6CFED5000C4259 /* SemaChecking.cpp in Sources */,
 				1ABC36940C7A4BDC006DB0AB /* CGBuiltin.cpp in Sources */,
 				DE224FF80C7AA98800D370A5 /* CGComplexExpr.cpp in Sources */,
+				1A7342480C7B57D500122F56 /* CGObjC.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};