From bbc237044d0fb1792dff8c5d2466f4e644821239 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Sun, 27 Apr 2014 09:22:35 +0900
Subject: NODE_SUPER should preserve stack region for block; ref #2136

---
 src/codegen.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/codegen.c b/src/codegen.c
index 6c2ed41c9..0cecc8d28 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -1688,6 +1688,7 @@ codegen(codegen_scope *s, node *tree, int val)
       }
       else {
         genop(s, MKOP_A(OP_LOADNIL, cursp()));
+        push(); pop();
       }
       pop_n(n+1);
       if (sendv) n = CALL_MAXARGS;
@@ -1709,12 +1710,12 @@ codegen(codegen_scope *s, node *tree, int val)
       }
       if (s2) ainfo = s2->ainfo;
       genop(s, MKOP_ABx(OP_ARGARY, cursp(), (ainfo<<4)|(lv & 0xf)));
+      push(); push(); pop();    /* ARGARY pushes two values */
       if (tree && tree->cdr) {
-        push();
         codegen(s, tree->cdr, VAL);
-        pop_n(2);
+        pop();
       }
-      pop();
+      pop(); pop();
       genop(s, MKOP_ABC(OP_SUPER, cursp(), 0, CALL_MAXARGS));
       if (val) push();
     }
-- 
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