1 files changed, 22 insertions, 0 deletions
diff --git a/test/codegen/race.go b/test/codegen/race.go
new file mode 100644
index 0000000..b977823
--- /dev/null
+++ b/test/codegen/race.go
@@ -0,0 +1,22 @@
+// asmcheck -race
+
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package codegen
+
+// Check that we elide racefuncenter/racefuncexit for
+// functions with no calls (but which might panic
+// in various ways). See issue 31219.
+// amd64:-"CALL.*racefuncenter.*"
+// arm64:-"CALL.*racefuncenter.*"
+// ppc64le:-"CALL.*racefuncenter.*"
+func RaceMightPanic(a []int, i, j, k, s int) {
+	var b [4]int
+	_ = b[i]     // panicIndex
+	_ = a[i:j]   // panicSlice
+	_ = a[i:j:k] // also panicSlice
+	_ = i << s   // panicShift
+	_ = i / j    // panicDivide
+}