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-rw-r--r--js/src/jit-test/tests/modules/bug-1283448.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug-1283448.js b/js/src/jit-test/tests/modules/bug-1283448.js
new file mode 100644
index 0000000000..9be2828ea4
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug-1283448.js
@@ -0,0 +1,6 @@
+// |jit-test| error: TypeError
+
+let a = registerModule('a', parseModule("var x = 1; export { x };"));
+let b = registerModule('b', parseModule("import { x as y } from 'a';"));
+a.__proto__ = {15: 1337};
+b.declarationInstantiation();