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authorKouki Ooyatsu <[email protected]>2012-10-31 20:15:39 +0900
committerKouki Ooyatsu <[email protected]>2012-10-31 20:20:36 +0900
commit35699424a9e2d286fcbf3ac040f4e2a2b1027f0b (patch)
tree8ede521113c33d54278cafc84a46ccb96c1511d3
parentb720156c99eb974b13492873579239697ebcaf96 (diff)
downloadmruby-35699424a9e2d286fcbf3ac040f4e2a2b1027f0b.tar.gz
mruby-35699424a9e2d286fcbf3ac040f4e2a2b1027f0b.zip
fix: broken variable reference, use 'next' statement
Because the tree is gone pop() even if it is empty.
-rw-r--r--src/codegen.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/codegen.c b/src/codegen.c
index ebc9b32de..ca2269d85 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -1556,8 +1556,10 @@ codegen(codegen_scope *s, node *tree, int val)
genop(s, MKOP_sBx(OP_JMP, s->loop->pc1 - s->pc));
}
else {
- codegen(s, tree, VAL);
- pop();
+ if (tree) {
+ codegen(s, tree, VAL);
+ pop();
+ }
genop_peep(s, MKOP_AB(OP_RETURN, cursp(), OP_R_NORMAL), NOVAL);
}
if (val) push();