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-rw-r--r--js/src/jit-test/tests/modules/bug1770048.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug1770048.js b/js/src/jit-test/tests/modules/bug1770048.js
new file mode 100644
index 0000000000..31395cab9b
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug1770048.js
@@ -0,0 +1,20 @@
+const m1 = parseModule(`
+ export let mod = {};
+ function setter(elem) {
+ delete Array.prototype[0]; // Delete the setter
+ this.push(elem); // Push the element for real
+ mod = elem; // Export the gathered module
+ }
+ Array.prototype.__defineSetter__(0, setter);
+ export const _foo = await Promise.resolve(5);
+`);
+
+const m2 = parseModule(`
+ import {mod} from 'm1';
+ assertEq(mod.status, undefined);
+`);
+
+registerModule('m1', m1);
+moduleLink(m2);
+moduleEvaluate(m2);
+drainJobQueue();