Undo the unique_ptr'fication of CodeGenABITypes::CGM introduced in r248762.

include/clang/CodeGenABITypes.h is in meant to be included by external
users, but using a unique_ptr on the private CodeGenModule introduces a
dependency on the type definition that prevents such a use.

NFC

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@249328 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/CodeGen/CodeGenABITypes.h

@@ -52,6 +52,7 @@ class CodeGenABITypes
 public:
   CodeGenABITypes(ASTContext &C, llvm::Module &M,
                   CoverageSourceInfo *CoverageInfo = nullptr);
+  ~CodeGenABITypes();
 
   /// These methods all forward to methods in the private implementation class
   /// CodeGenTypes.
@@ -79,7 +80,7 @@ private:
   std::unique_ptr<PreprocessorOptions> PPO;
 
   /// The CodeGenModule we use get to the CodeGenTypes object.
-  std::unique_ptr<CodeGen::CodeGenModule> CGM;
+  CodeGen::CodeGenModule *CGM;
 };
 
 }  // end namespace CodeGen

lib/CodeGen/CodeGenABITypes.cpp

@@ -33,6 +33,11 @@ CodeGenABITypes::CodeGenABITypes(ASTContext &C, llvm::Module &M,
       CGM(new CodeGen::CodeGenModule(C, *HSO, *PPO, *CGO, M, C.getDiagnostics(),
                                      CoverageInfo)) {}
 
+CodeGenABITypes::~CodeGenABITypes()
+{
+  delete CGM;
+}
+
 const CGFunctionInfo &
 CodeGenABITypes::arrangeObjCMessageSendSignature(const ObjCMethodDecl *MD,
                                                  QualType receiverType) {