summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/debug/bug-1444604-reduced.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/jit-test/tests/debug/bug-1444604-reduced.js')
-rw-r--r--js/src/jit-test/tests/debug/bug-1444604-reduced.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug-1444604-reduced.js b/js/src/jit-test/tests/debug/bug-1444604-reduced.js
new file mode 100644
index 0000000000..6e84fef194
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug-1444604-reduced.js
@@ -0,0 +1,27 @@
+// LiveSavedFrameCache should not be confused by eval-in-frame-prev links.
+
+const g = newGlobal({newCompartment: true});
+const dbg = new Debugger();
+const gDO = dbg.addDebuggee(g);
+
+g.evaluate(`
+ function inner() { debugger; }
+ function outer() { inner(); }
+`);
+
+dbg.onDebuggerStatement = function handler(frame) {
+ // Capture the JS stack, putting frames for handler, inner, and outer in the
+ // cache. Perform all captures in g's compartment, to avoid flushing the cache
+ // for compartment mismatches.
+ frame.eval('print(`in inner: ${saveStack()}`)');
+
+ // Carry out a capture in outer's context, following the eval-in-frame prev
+ // link and thus skipping over inner, removing it from the cache.
+ frame.older.eval('print(`in outer: ${saveStack()}`)');
+
+ // Capture again. inner's hasCachedSavedFrame bit should be set, but its entry
+ // has been flushed.
+ frame.eval('print(`in inner: ${saveStack()}`)');
+};
+
+g.outer();