improved safety: added a assert() if proj's are placed

[libfirm] / ir / ir / iropt.c

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 3e2cace..c84d818 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -4381,6 +4381,7 @@ static ir_node *get_block_Proj(const ir_node *self) {
 static void set_block_Proj(ir_node *self, ir_node *blk) {
        (void) self;
        (void) blk;
+       assert(blk == get_block_Proj(self) && "trying to move Proj in another block!");
 }
 
 /**