diff options
| -rw-r--r-- | js/src/jsfun.cpp | 4 | ||||
| -rw-r--r-- | js/src/tests/ecma_2017/AsyncFunctions/inner-caller.js | 26 |
2 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jsfun.cpp b/js/src/jsfun.cpp index ef5aea768..06d5cced7 100644 --- a/js/src/jsfun.cpp +++ b/js/src/jsfun.cpp @@ -284,6 +284,8 @@ CallerGetterImpl(JSContext* cx, const CallArgs& args) } RootedObject caller(cx, iter.callee(cx)); + if (caller->is<JSFunction>() && caller->as<JSFunction>().isAsync()) + caller = GetWrappedAsyncFunction(&caller->as<JSFunction>()); if (!cx->compartment()->wrap(cx, &caller)) return false; @@ -304,6 +306,8 @@ CallerGetterImpl(JSContext* cx, const CallArgs& args) } JSFunction* callerFun = &callerObj->as<JSFunction>(); + if (IsWrappedAsyncFunction(callerFun)) + callerFun = GetUnwrappedAsyncFunction(callerFun); MOZ_ASSERT(!callerFun->isBuiltin(), "non-builtin iterator returned a builtin?"); if (callerFun->strict()) { diff --git a/js/src/tests/ecma_2017/AsyncFunctions/inner-caller.js b/js/src/tests/ecma_2017/AsyncFunctions/inner-caller.js new file mode 100644 index 000000000..523eb79ea --- /dev/null +++ b/js/src/tests/ecma_2017/AsyncFunctions/inner-caller.js @@ -0,0 +1,26 @@ +var BUGNUMBER = 1185106; +var summary = "caller property of function inside async function should return wrapped async function"; + +print(BUGNUMBER + ": " + summary); + +(async function f() { + var inner = (function g() { + return g.caller; + })(); + assertEq(inner, f); +})(); + +(async function f() { + "use strict"; + try { + (function g() { + return g.caller; + })(); + assertEq(true, false); + } catch (e) { + assertEq(e instanceof TypeError, true); + } +})(); + +if (typeof reportCompare === "function") + reportCompare(true, true); |