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-rw-r--r--js/src/jit-test/tests/modules/bug-1476921.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug-1476921.js b/js/src/jit-test/tests/modules/bug-1476921.js
new file mode 100644
index 0000000000..ce355078b0
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug-1476921.js
@@ -0,0 +1,31 @@
+// |jit-test| --enable-top-level-await;
+"use strict";
+
+load(libdir + "asserts.js");
+
+class UniqueError extends Error {}
+
+let a = registerModule('a', parseModule(`
+ throw new UniqueError();
+`));
+
+let b = registerModule('b', parseModule(`
+ import * as ns0 from "a";
+`));
+
+a.declarationInstantiation();
+a.evaluation()
+ .then(r => {
+ // We should not reach here, as we expect an error to be thrown.
+ assertEq(false, true);
+ })
+ .catch(e => assertEq(e instanceof UniqueError, true));
+b.declarationInstantiation();
+b.evaluation()
+ .then(r => {
+ // We should not reach here, as we expect an error to be thrown.
+ assertEq(false, true);
+ })
+ .catch(e => assertEq(e instanceof UniqueError, true));
+
+drainJobQueue();