surma
d44f1d9677
Checkpoint before integration and package validation. Assisted-by: SurmAgent:unknown [read] [edit] [bash]
37 lines
818 B
JavaScript
37 lines
818 B
JavaScript
// https://github.com/quickjs-ng/quickjs/issues/1835
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// Freeing a WeakMap whose values are symbols that are also its keys crashed
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// in the WeakMap finalizer. Run under ASAN.
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import { assert } from "./assert.js";
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function f() {
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var o = {};
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var m = new WeakMap(), b = Symbol("b");
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m.set(o, b);
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m.set(b, 1);
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assert(m.get(o), b);
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assert(m.get(b), 1);
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b = undefined;
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m = undefined;
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}
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f();
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function g() {
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var o = {};
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var m = new WeakMap(), a = Symbol("a"), b = Symbol("b"), c = Symbol("c");
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m.set(o, a);
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m.set(a, b);
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m.set(b, c);
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m.set(c, 1);
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a = b = c = undefined;
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m = undefined;
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}
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g();
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// freed when the runtime is freed
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const m = new WeakMap();
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const a = Symbol("a"), b = Symbol("b");
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m.set(a, b);
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m.set(b, a);
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assert(m.get(a), b);
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assert(m.get(b), a);
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