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When compiling loop control statements, the compiler incorrectly emitted an
I_POP instead of an I_CUPV instruction for open upvalues, causing closures to
reference unclosed upvalues that went out of scope, potentially leading to
invalid stack accesses in subsequent code.
-- Testcase --
{%
let dest;
for (let i in [ 1 ]) {
let foo = i;
dest = () => print(foo, '\n');
continue;
}
dest();
%}
-- End --
-- Expect stdout --
1
-- End --
|
