re PR c++/51474 ([c++0x] ICE with pure virtual function in initialization of…

re PR c++/51474 ([c++0x] ICE with pure virtual function in initialization of non-static data member)

/cp
2014-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51474
	* call.c (build_new_method_call_1): Handle pure virtuals called by
	NSDMIs too.

/testsuite
2014-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51474
	* g++.dg/cpp0x/nsdmi-virtual2.C: New.

From-SVN: r208686

gcc/cp/ChangeLog

+2014-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51474
+	* call.c (build_new_method_call_1): Handle pure virtuals called by
+	NSDMIs too.
+
 2014-03-17  Adam Butcher  <adam@jessamine.co.uk>
 
 	PR c++/60390

gcc/cp/call.c

@@ -7828,15 +7828,20 @@ build_new_method_call_1 (tree instance, tree fns, vec<tree, va_gc> **args,
 	  if (!(flags & LOOKUP_NONVIRTUAL)
 	      && DECL_PURE_VIRTUAL_P (fn)
 	      && instance == current_class_ref
-	      && (DECL_CONSTRUCTOR_P (current_function_decl)
-		  || DECL_DESTRUCTOR_P (current_function_decl))
 	      && (complain & tf_warning))
-	    /* This is not an error, it is runtime undefined
-	       behavior.  */
-	    warning (0, (DECL_CONSTRUCTOR_P (current_function_decl) ?
-		      "pure virtual %q#D called from constructor"
-		      : "pure virtual %q#D called from destructor"),
-		     fn);
+	    {
+	      /* This is not an error, it is runtime undefined
+		 behavior.  */
+	      if (!current_function_decl)
+		warning (0, "pure virtual %q#D called from "
+			 "non-static data member initializer", fn);
+	      else if (DECL_CONSTRUCTOR_P (current_function_decl)
+		       || DECL_DESTRUCTOR_P (current_function_decl))
+		warning (0, (DECL_CONSTRUCTOR_P (current_function_decl)
+			     ? "pure virtual %q#D called from constructor"
+			     : "pure virtual %q#D called from destructor"),
+			 fn);
+	    }
 
 	  if (TREE_CODE (TREE_TYPE (fn)) == METHOD_TYPE
 	      && is_dummy_object (instance))

gcc/testsuite/ChangeLog

+2014-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51474
+	* g++.dg/cpp0x/nsdmi-virtual2.C: New.
+
 2014-03-19  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR testsuite/60590

gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual2.C

+// PR c++/51474
+// { dg-do compile { target c++11 } }
+
+struct A
+{
+  virtual int foo() = 0;
+  int i = foo();  // { dg-warning "pure virtual" }
+};