pt.c (type_dependent_expression_p): Handle expressions that refer to variable templates.

	* pt.c (type_dependent_expression_p): Handle expressions
	that refer to variable templates.

From-SVN: r225361

gcc/cp/ChangeLog

+2015-07-02  Andrew Sutton  <andrew.n.sutton@gmail.com>
+
+	* pt.c (type_dependent_expression_p): Handle expressions
+	that refer to variable templates.
+
 2015-07-01  Jason Merrill  <jason@redhat.com>
 
 	* lex.c (init_reswords): s/CXX0X/CXX11/.

gcc/cp/pt.c

@@ -21606,6 +21606,10 @@ type_dependent_expression_p (tree expression)
 	    return true;
 	  expression = TREE_OPERAND (expression, 0);
 	}
+
+      if (variable_template_p (expression))
+        return dependent_type_p (TREE_TYPE (expression));
+
       gcc_assert (TREE_CODE (expression) == OVERLOAD
 		  || TREE_CODE (expression) == FUNCTION_DECL);
 

gcc/testsuite/g++.dg/cpp1y/var-templ32.C

+// { dg-do compile { target c++14 } }
+
+template<typename T>
+bool V1 = true;
+
+template<typename T>
+bool V1<int> = false; // { dg-error "primary template" }