var testing.numFailed

4 uses

	testing (current package)
		fuzz.go#L618: 			atomic.AddUint32(&numFailed, 1)
		testing.go#L439: 	numFailed uint32 // number of test failures
		testing.go#L1308: 			atomic.AddUint32(&numFailed, 1)
		testing.go#L2060: 	return *failFast && atomic.LoadUint32(&numFailed) > 0