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-rw-r--r--js/src/jit-test/tests/debug/Frame-eval-23.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-eval-23.js b/js/src/jit-test/tests/debug/Frame-eval-23.js
new file mode 100644
index 000000000..45070d82d
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-eval-23.js
@@ -0,0 +1,37 @@
+// Debugger.Frame preserves Ion frame mutations after removing debuggee.
+
+load(libdir + "jitopts.js");
+
+if (!jitTogglesMatch(Opts_Ion2NoOffthreadCompilation))
+ quit();
+
+withJitOptions(Opts_Ion2NoOffthreadCompilation, function () {
+ var g = newGlobal();
+ var dbg = new Debugger;
+
+ g.toggle = function toggle(x, d) {
+ if (d) {
+ dbg.addDebuggee(g);
+ var frame = dbg.getNewestFrame().older;
+ assertEq(frame.callee.name, "f");
+ assertEq(frame.environment.getVariable("x"), x);
+ assertEq(frame.implementation, "ion");
+ frame.environment.setVariable("x", "not 42");
+ dbg.removeDebuggee(g);
+ }
+ };
+
+ g.eval("" + function f(x, d) {
+ g(x, d);
+ if (d)
+ assertEq(x, "not 42");
+ });
+
+ g.eval("" + function g(x, d) { toggle(x, d); });
+
+ g.eval("(" + function test() {
+ for (var i = 0; i < 5; i++)
+ f(42, false);
+ f(42, true);
+ } + ")();");
+});