re PR c++/53491 (ICE in build_target_expr_with_type, at cp/tree.c:587)

/cp
2012-05-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53491
	* tree.c (stabilize_expr): Handle exp of void type.

/testsuite
2012-05-26  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53491
	* g++.dg/parse/crash60.C: New.

From-SVN: r187917

gcc/cp/ChangeLog

+2012-05-26  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/53491
+	* tree.c (stabilize_expr): Handle exp of void type.
+
 2012-05-26  Jason Merrill  <jason@redhat.com>
 
 	PR c++/53220

gcc/cp/tree.c

@@ -3281,6 +3281,11 @@ stabilize_expr (tree exp, tree* initp)
 
   if (!TREE_SIDE_EFFECTS (exp))
     init_expr = NULL_TREE;
+  else if (VOID_TYPE_P (TREE_TYPE (exp)))
+    {
+      *initp = exp;
+      return void_zero_node;
+    }
   /* There are no expressions with REFERENCE_TYPE, but there can be call
      arguments with such a type; just treat it as a pointer.  */
   else if (TREE_CODE (TREE_TYPE (exp)) == REFERENCE_TYPE

gcc/testsuite/ChangeLog

-2012-05-22  Jason Merrill  <jason@redhat.com>
+2012-05-26  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/53491
+	* g++.dg/parse/crash60.C: New.
+
+2012-05-26  Jason Merrill  <jason@redhat.com>
 
 	PR c++/53220
 	* c-c++-common/array-lit.c: New.

gcc/testsuite/g++.dg/parse/crash60.C

+// PR c++/53491
+
+struct M
+{
+  void pop();
+};
+
+void foo()
+{
+  int result = 0;
+  M m;
+
+  result += m.pop();  // { dg-error "invalid operands|in evaluation" }
+}