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// Async stacks should not supplant LiveSavedFrameCache hits.
top();
// An ordinary function, to give the frame a convenient name.
function top() {
// Perform an async call. F will run in an activation that has an async stack
// supplied.
f().catch(catchError);
}
async function f() {
// Perform an ordinary call. Its parent frame will be a LiveSavedFrameCache
// hit.
g();
}
function g() {
// Populate the LiveSavedFrameCache.
saveStack();
// Capturing the stack again should find f (if not g) in the cache. The async
// stack supplied below the call to f should not supplant f's own frame.
let frame = saveStack();
assertEq(frame.functionDisplayName, 'g');
assertEq(parent(frame).functionDisplayName, 'f');
assertEq(parent(parent(frame)).functionDisplayName, 'top');
}
// Return the parent of |frame|, skipping self-hosted code and following async
// parent links.
function parent(frame) {
do {
frame = frame.parent || frame.asyncParent;
} while (frame.source.match(/self-hosted/));
return frame;
}
function catchError(e) {
print(`${e}\n${e.stack}`);
quit(1)
}