diff options
Diffstat (limited to 'js/src/jit-test/tests/debug/Environment-gc-03.js')
-rw-r--r-- | js/src/jit-test/tests/debug/Environment-gc-03.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-gc-03.js b/js/src/jit-test/tests/debug/Environment-gc-03.js new file mode 100644 index 0000000000..3243ec65ba --- /dev/null +++ b/js/src/jit-test/tests/debug/Environment-gc-03.js @@ -0,0 +1,21 @@ +// Test that block scopes cannot be resurrected by onStep. + +var g = newGlobal({newCompartment: true}); +var dbg = new Debugger(g); +dbg.onDebuggerStatement = function(frame) { + frame.onStep = (function() { + frame.environment; + }); +}; + +g.eval("debugger; for (let i = 0; i < 1; i++) (function(){});"); + +// If the last freshened block scope was incorrectly resurrected by onStep +// above, GCing will assert. +gc(); + +g.eval("debugger; { let i = 0; (function(){ i = 42; }); }"); +gc(); + +g.eval("debugger; try { throw 42; } catch (e) { };"); +gc(); |