// which will use a large amount of memory. The subtest names aren't
			// useful since there's no way to re-run them deterministically.
			f.testContext.match.clearSubNames()
		}

		// Record the stack trace at the point of this call so that if the subtest
		// function - which runs in a separate stack - is marked as a helper, we can
		// continue walking the stack into the parent test.