diff options
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.js | 27 |
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(); |