When instantiating a function-local variable definition, introduce the

mapping from the declaration in the template to the instantiated
declaration before transforming the initializer, in case some crazy
lunatic decides to use a variable in its own initializer. Fixes PR7016.

llvm-svn: 102945

clang/lib/Sema/SemaTemplateInstantiateDecl.cpp

@@ -365,6 +365,9 @@ Decl *TemplateDeclInstantiator::VisitVarDecl(VarDecl *D) {
     Owner->makeDeclVisibleInContext(Var);
   } else {
     Owner->addDecl(Var);
+    
+    if (Owner->isFunctionOrMethod())
+      SemaRef.CurrentInstantiationScope->InstantiatedLocal(D, Var);
   }
 
   // Link instantiations of static data members back to the template from

clang/test/SemaTemplate/instantiate-function-1.cpp

@@ -220,3 +220,8 @@ namespace test0 {
   template <class T> class A { void foo(T array[10]); };
   template class A<int>;
 }
+
+namespace PR7016 {
+  template<typename T> void f() { T x = x; }
+  template void f<int>();
+}