Patch to 1) synthesizing non-trivial default destructor when
one is not provided by user. 2) More complete
emission of ctor prologue when it has no initializer
list or when it is synthesized.

llvm-svn: 79269
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index c41af94..e2aba1b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -403,6 +403,11 @@
                                     llvm::Function *Fn,
                                     const FunctionArgList &Args);
   
+  void SynthesizeDefaultDestructor(const CXXDestructorDecl *CD,
+                                    const FunctionDecl *FD,
+                                    llvm::Function *Fn,
+                                    const FunctionArgList &Args);
+  
   /// EmitDtorEpilogue - Emit all code that comes at the end of class's
   /// destructor. This is to call destructors on members and base classes 
   /// in reverse order of their construction.