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-rw-r--r--js/src/jit-test/tests/debug/optimized-out-02.js38
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/optimized-out-02.js b/js/src/jit-test/tests/debug/optimized-out-02.js
new file mode 100644
index 000000000..cd4b89864
--- /dev/null
+++ b/js/src/jit-test/tests/debug/optimized-out-02.js
@@ -0,0 +1,38 @@
+// Test that prevUpToDate on frames are cleared.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+
+g.eval(`
+function outer(unaliasedArg) {
+ var unaliasedVar = unaliasedArg + 42;
+ var aliasedVar = unaliasedArg;
+
+ inner();
+ return;
+
+ function inner() {
+ aliasedVar++;
+ }
+}
+`);
+
+var log = "";
+for (var script of dbg.findScripts()) {
+ if (script.displayName === "inner") {
+ script.setBreakpoint(0, { hit: function(frame) {
+ // Force updateLiveScopes.
+ var outerEnv = frame.environment;
+
+ // Get the environment of outer's frame on the stack, so that we may
+ // recover unaliased bindings in the debug scope.
+ outerEnv = frame.older.environment;
+ log += outerEnv.getVariable('unaliasedArg'); // 42
+ log += outerEnv.getVariable('unaliasedVar'); // 84
+ log += outerEnv.getVariable('aliasedVar'); // 42
+ }});
+ }
+}
+
+g.outer(42);
+assertEq(log, "428442");