diff options
Diffstat (limited to 'js/src/jit-test/tests/basic/typeMonitorSingleton.js')
-rw-r--r-- | js/src/jit-test/tests/basic/typeMonitorSingleton.js | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/typeMonitorSingleton.js b/js/src/jit-test/tests/basic/typeMonitorSingleton.js new file mode 100644 index 0000000000..be01dcaeb4 --- /dev/null +++ b/js/src/jit-test/tests/basic/typeMonitorSingleton.js @@ -0,0 +1,17 @@ +// |jit-test| error: TypeError + +var x = {f:20}; + +function foo() { + for (var i = 0; i < 10; i++) + x.f; +} +foo(); + +gc(); + +// a type barrier needs to be generated for the access on x within foo, +// even though its type set is initially empty after the GC. +x = undefined; + +foo(); |