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-rw-r--r--js/src/jit-test/tests/parser/redeclaration-message.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/redeclaration-message.js b/js/src/jit-test/tests/parser/redeclaration-message.js
new file mode 100644
index 0000000000..29de3cf7ba
--- /dev/null
+++ b/js/src/jit-test/tests/parser/redeclaration-message.js
@@ -0,0 +1,10 @@
+var aVar = 56;
+try {
+ console.log(aLet);
+ let aLet = 56;
+ // We cannot add `caught` variable on the toplevel for this testcase.
+ // We use assertEq here to catch non-throwing case.
+ assertEq(true, false);
+} catch (e) {
+ assertEq(e.message, "can't access lexical declaration 'aLet' before initialization");
+}