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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/gc-09.2.js')
-rw-r--r--js/src/jit-test/tests/debug/gc-09.2.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/gc-09.2.js b/js/src/jit-test/tests/debug/gc-09.2.js
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index 000000000..f124d4287
--- /dev/null
+++ b/js/src/jit-test/tests/debug/gc-09.2.js
@@ -0,0 +1,16 @@
+// Bug 717104 - Unreachable debuggee globals should not keep their debuggers
+// alive. The loop is to defeat conservative stack scanning; if the same stack
+// locations are used each time through the loop, at least three of the
+// debuggers should be collected.
+//
+// This is a slight modification of gc-09.js, which contains a cycle.
+
+for (var i = 0; i < 4; i++) {
+ var g = newGlobal();
+ var dbg = new Debugger(g);
+ dbg.onDebuggerStatement = function () { throw "FAIL"; };
+ dbg.o = makeFinalizeObserver();
+}
+
+gc();
+assertEq(finalizeCount() > 0, true);