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// |jit-test| --fast-warmup; --no-threads
// Walking the stack from inside a call to a bound function must report the
// target function, not the bound function. If the bound function ends up in the
// caller frame's callee slot, InlineFrameIterator::findNextFrame casts it to
// JSFunction, which is a bad cast.
const obj = {};
function innerStack(a) {
return new Error("stack").stack;
}
const boundStack = innerStack.bind(obj);
function outerStack() { return boundStack(1); }
for (let i = 0; i < 500; i++) {
const stack = outerStack();
assertEq(stack.includes("innerStack"), true);
assertEq(stack.includes("outerStack"), true);
}
// Same thing, but the stack is walked while unwinding for an exception.
function innerThrow(a) {
throw new Error("thrown");
}
const boundThrow = innerThrow.bind(obj);
function outerThrow() {
try {
boundThrow(1);
} catch (e) {
return e.stack;
}
return "no throw";
}
for (let i = 0; i < 500; i++) {
const stack = outerThrow();
assertEq(stack.includes("innerThrow"), true);
assertEq(stack.includes("outerThrow"), true);
}