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-rw-r--r--js/src/jit-test/tests/debug/gc-02.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/gc-02.js b/js/src/jit-test/tests/debug/gc-02.js
new file mode 100644
index 000000000..4055650c7
--- /dev/null
+++ b/js/src/jit-test/tests/debug/gc-02.js
@@ -0,0 +1,28 @@
+// Dispatching an event to a debugger must keep enough of it gc-alive to avoid
+// crashing.
+
+var g = newGlobal();
+var hits;
+
+function addDebug() {
+ // The loop is here to defeat the conservative GC. :-\
+ for (var i = 0; i < 4; i++) {
+ var dbg = new Debugger(g);
+ dbg.onDebuggerStatement = function (stack) {
+ hits++;
+ this.enabled = false;
+ this.onDebuggerStatement = undefined;
+ gc();
+ };
+ if (i > 0) {
+ dbg.enabled = false;
+ dbg.onDebuggerStatement = undefined;
+ dbg = null;
+ }
+ }
+}
+
+addDebug();
+hits = 0;
+g.eval("debugger;");
+assertEq(hits, 1);