re PR c++/58457 (ICE when placement new operator is used with using keyword and custom constructor)

/cp
2013-09-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58457
	* class.c (instantiate_type): Loosen a bit the gcc_assert.

/testsuite
2013-09-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58457
	* g++.dg/parse/using4.C: New.

From-SVN: r202711

gcc/cp/ChangeLog

+2013-09-18  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58457
+	* class.c (instantiate_type): Loosen a bit the gcc_assert.
+
 2013-09-18  Marek Polacek  <polacek@redhat.com>
 
 	PR sanitize/58443

gcc/cp/class.c

@@ -7627,7 +7627,7 @@ instantiate_type (tree lhstype, tree rhs, tsubst_flags_t flags)
      dependent on overload resolution.  */
   gcc_assert (TREE_CODE (rhs) == ADDR_EXPR
 	      || TREE_CODE (rhs) == COMPONENT_REF
-	      || really_overloaded_fn (rhs)
+	      || is_overloaded_fn (rhs)
 	      || (flag_ms_extensions && TREE_CODE (rhs) == FUNCTION_DECL));
 
   /* This should really only be used when attempting to distinguish

gcc/testsuite/ChangeLog

+2013-09-18  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58457
+	* g++.dg/parse/using4.C: New.
+
 2013-09-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* gcc.c-torture/execute/pr58419.c (b): Change type to signed char.

gcc/testsuite/g++.dg/parse/using4.C

+// PR c++/58457
+
+struct allocator
+{
+  void operator delete (void*);
+  void* operator new (__SIZE_TYPE__, void*);
+};
+
+struct type : public allocator
+{
+  type() {}
+  using allocator::operator new;
+  using allocator::operator delete;
+};
+
+int main()
+{
+  new (0) type;
+  return 0;
+}