gcflag := gcflag0 + ",pgohash=" + hash
	out := buildPGOInliningTest(t, dir, gcflag)
	if !bytes.Contains(out, []byte(hashMatch)) || !pgoDebugRE.Match(out) {
		t.Errorf("output does not contain expected source line, out:\n%s", out)
	}

	// Check that a hash mismatch turns off PGO inlining.
	hash = "v0" // 0 should not match srcPos
	gcflag = gcflag0 + ",pgohash=" + hash
	out = buildPGOInliningTest(t, dir, gcflag)