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-rw-r--r--js/src/jit-test/tests/modules/bug-1420420-2.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug-1420420-2.js b/js/src/jit-test/tests/modules/bug-1420420-2.js
new file mode 100644
index 000000000..0511e8126
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug-1420420-2.js
@@ -0,0 +1,19 @@
+// Test re-instantiation module after failure.
+
+load(libdir + "asserts.js");
+load(libdir + "dummyModuleResolveHook.js");
+
+moduleRepo["good"] = parseModule(`export let x`);
+
+moduleRepo["y1"] = parseModule(`export let y`);
+moduleRepo["y2"] = parseModule(`export let y`);
+moduleRepo["bad"] = parseModule(`export* from "y1"; export* from "y2";`);
+
+moduleRepo["a"] = parseModule(`import* as ns from "good"; import {y} from "bad";`);
+
+let b = moduleRepo["b"] = parseModule(`import "a";`);
+let c = moduleRepo["c"] = parseModule(`import "a";`);
+
+assertThrowsInstanceOf(() => b.declarationInstantiation(), SyntaxError);
+assertThrowsInstanceOf(() => c.declarationInstantiation(), SyntaxError);
+