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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
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/debug/gc-02.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/gc-02.js')
-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);