- remove NoMem from keep list

[r24578]

include/libfirm/irnode.h

@@ -443,7 +443,7 @@ void set_End_keepalives(ir_node *end, int n, ir_node *in[]);
 /** Remove irn from the keep-alive set. */
 void remove_End_keepalive(ir_node *end, ir_node *irn);
 
-/* Remove Bads and doublets from the keep-alive set. */
+/* Remove Bads, NoMem and doublets from the keep-alive set. */
 void remove_End_Bads_and_doublets(ir_node *end);
 
 /** Some parts of the End node are allocated separately -- their memory

ir/ir/irnode.c

@@ -923,7 +923,7 @@ found:
 	ARR_RESIZE(ir_node *, end->in, (n - 1) + 1 + END_KEEPALIVE_OFFSET);
 }
 
-/* remove Bads and doublets from the keep-alive set */
+/* remove Bads, NoMems and doublets from the keep-alive set */
 void remove_End_Bads_and_doublets(ir_node *end) {
 	pset_new_t keeps;
 	int        idx, n = get_End_n_keepalives(end);
@@ -938,7 +938,7 @@ void remove_End_Bads_and_doublets(ir_node *end) {
 	for (idx = n - 1; idx >= 0; --idx) {
 		ir_node *ka = get_End_keepalive(end, idx);
 
-		if (is_Bad(ka) || pset_new_contains(&keeps, ka)) {
+		if (is_Bad(ka) || is_NoMem(ka) || pset_new_contains(&keeps, ka)) {
 			/* remove the edge */
 			edges_notify_edge(end, idx, NULL, ka, irg);