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Fix crash bug in closure capturing.

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This commit is contained in:
Bob Nystrom
2014-04-24 17:52:53 -07:00
parent 80a4eb8c9c
commit feb9f7cb53
2 changed files with 15 additions and 2 deletions
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src/wren_vm.c
+2 -2
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@@ -218,7 +218,7 @@ static Upvalue* captureUpvalue(WrenVM* vm, ObjFiber* fiber, int slot)
Upvalue* prevUpvalue = NULL;
Upvalue* upvalue = fiber->openUpvalues;
// Walk towards the bottom of the stack until we find a previously existsing
// Walk towards the bottom of the stack until we find a previously existing
// upvalue or pass where it should be.
while (upvalue != NULL && upvalue->value > local)
{
@@ -227,7 +227,7 @@ static Upvalue* captureUpvalue(WrenVM* vm, ObjFiber* fiber, int slot)
}
// Found an existing upvalue for this local.
if (upvalue->value == local) return upvalue;
if (upvalue != NULL && upvalue->value == local) return upvalue;
// We've walked past this local on the stack, so there must not be an
// upvalue for it already. Make a new one and link it in in the right