Initial commit: Go 1.23 release state

test/fixedbugs/bug347.go

@@ -0,0 +1,49 @@
+// run
+
+// Copyright 2011 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 main
+
+import (
+	"runtime"
+	"strings"
+)
+
+var t *struct {
+	c chan int
+}
+
+var c chan int
+
+func f() {
+	select {
+	case <-t.c:  // THIS IS LINE 22
+		break
+	case <-c:
+		break
+	}
+}
+
+func main() {
+	defer func() {
+		recover()
+		for i := 0;; i++ {
+			pc, file, line, ok := runtime.Caller(i)
+			if !ok {
+				print("BUG: bug347: cannot find caller\n")
+				return
+			}
+			if !strings.Contains(file, "bug347.go") || runtime.FuncForPC(pc).Name() != "main.f" {
+				// walk past runtime frames
+				continue
+			}
+			if line != 22 {
+				print("BUG: bug347: panic at ", file, ":", line, " in ", runtime.FuncForPC(pc).Name(), "\n")
+			}
+			return
+		}
+	}()
+	f()
+}