From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/debug/Script-gc-01.js | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 js/src/jit-test/tests/debug/Script-gc-01.js

(limited to 'js/src/jit-test/tests/debug/Script-gc-01.js')

diff --git a/js/src/jit-test/tests/debug/Script-gc-01.js b/js/src/jit-test/tests/debug/Script-gc-01.js
new file mode 100644
index 000000000..5d71b1e39
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-gc-01.js
@@ -0,0 +1,26 @@
+// Debugger.Script instances with live referents stay alive.
+
+var N = 4;
+var g = newGlobal();
+var dbg = new Debugger(g);
+var i;
+dbg.onDebuggerStatement = function (frame) {
+    assertEq(frame.script instanceof Debugger.Script, true);
+    frame.script.id = i;
+};
+
+g.eval('var arr = [];')
+for (i = 0; i < N; i++)  // loop to defeat conservative GC
+    g.eval("arr.push(function () { debugger }); arr[arr.length - 1]();");
+
+gc();
+
+var hits;
+dbg.onDebuggerStatement = function (frame) {
+    hits++;
+    assertEq(frame.script.id, i);
+};
+hits = 0;
+for (i = 0; i < N; i++)
+    g.arr[i]();
+assertEq(hits, N);
-- 
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