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-rw-r--r--js/src/jit-test/tests/debug/Frame-environment-05.js9
1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-environment-05.js b/js/src/jit-test/tests/debug/Frame-environment-05.js
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index 000000000..98f1c9a12
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-environment-05.js
@@ -0,0 +1,9 @@
+// Test that Debugger.Frame.prototype.environment works at all pcs of a script
+// with an aliased block scope.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+ frame.onStep = (function () { frame.environment; });
+};
+g.eval("debugger; for (let i of [1,2,3]) print(i);");