1 files changed, 7 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index 986eb197ac..6612bacb93 100644
--- a/eval.c
+++ b/eval.c
@@ -7229,6 +7229,13 @@ block_pass(self, node)
 	}
     }
 
+    if (ruby_block && ruby_block->block_obj == proc) {
+	PUSH_ITER(ITER_PRE);
+	result = rb_eval(self, node->nd_iter);
+	POP_ITER();
+	return result;
+    }
+
     Data_Get_Struct(proc, struct BLOCK, data);
     orphan = block_orphan(data);