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wrong stack position for headless case; close #675

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Yukihiro Matz Matsumoto
2012-12-28 17:12:22 +09:00
parent be122b73d3
commit 9d56acb709
1 changed files with 5 additions and 5 deletions
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src/codegen.c
+5 -5
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@@ -1205,6 +1205,7 @@ codegen(codegen_scope *s, node *tree, int val)
pop();
genop(s, MKOP_ABC(OP_SEND, cursp(), new_msym(s, mrb_intern(s->mrb, "===")), 1));
}
pop();
tmp = new_label(s);
genop(s, MKOP_AsBx(OP_JMPIF, cursp(), pos2));
pos2 = tmp;
@@ -1215,7 +1216,6 @@ codegen(codegen_scope *s, node *tree, int val)
genop(s, MKOP_sBx(OP_JMP, 0));
dispatch_linked(s, pos2);
}
pop(); /* pop HEAD */
codegen(s, tree->car->cdr, val);
if (val) pop();
tmp = new_label(s);
@@ -1223,11 +1223,11 @@ codegen(codegen_scope *s, node *tree, int val)
pos3 = tmp;
if (pos1) dispatch(s, pos1);
tree = tree->cdr;
push(); /* push HEAD */
}
pop(); /* pop HEAD */
genop(s, MKOP_A(OP_LOADNIL, cursp()));
if (val) push();
if (val) {
genop(s, MKOP_A(OP_LOADNIL, cursp()));
push();
}
if (pos3) dispatch_linked(s, pos3);
}
break;