The dtor CGObjCRuntime::~CGObjCRuntime() was implemented twice, once

in CGObjCGNU.cpp and once in CGObjCEtoile.cpp.  Moved its definition to
CGObjC.cpp.  This resolves a build error in Xcode, and also cleans things up.

llvm-svn: 49429

clang/lib/CodeGen/CGObjC.cpp

@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "CGObjCRuntime.h"
 #include "CodeGenFunction.h"
 #include "CodeGenModule.h"
 #include "clang/AST/Expr.h"
@@ -23,4 +24,4 @@ llvm::Value *CodeGenFunction::EmitObjCStringLiteral(const ObjCStringLiteral *E){
   return CGM.GetAddrOfConstantCFString(S);
 }
 
-
+CGObjCRuntime::~CGObjCRuntime() {}

clang/lib/CodeGen/CGObjCEtoile.cpp

@@ -17,9 +17,6 @@
 #include "llvm/Support/LLVMBuilder.h"
 #include "llvm/ADT/SmallVector.h"
 
-
-clang::CodeGen::CGObjCRuntime::~CGObjCRuntime() {}
-
 namespace {
 class CGObjCEtoile : public clang::CodeGen::CGObjCRuntime {
 private:

clang/lib/CodeGen/CGObjCGNU.cpp

@@ -17,9 +17,6 @@
 #include "llvm/Support/LLVMBuilder.h"
 #include "llvm/ADT/SmallVector.h"
 
-
-clang::CodeGen::CGObjCRuntime::~CGObjCRuntime() {}
-
 namespace {
 class CGObjCGNU : public clang::CodeGen::CGObjCRuntime {
 private: