Initial commit: Go 1.23 release state

test/fixedbugs/issue29919.dir/a.go

@@ -0,0 +1,75 @@
+// 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.
+
+// Make sure tracebacks from initialization code are reported correctly.
+
+package a
+
+import (
+	"fmt"
+	"runtime"
+	"strings"
+)
+
+var x = f() // line 15
+
+func f() int {
+	var b [4096]byte
+	n := runtime.Stack(b[:], false) // line 19
+	s := string(b[:n])
+	var pcs [10]uintptr
+	n = runtime.Callers(1, pcs[:]) // line 22
+
+	// Check the Stack results.
+	if debug {
+		println(s)
+	}
+	if strings.Contains(s, "autogenerated") {
+		panic("autogenerated code in traceback")
+	}
+	if !strings.Contains(s, "a.go:15") {
+		panic("missing a.go:15")
+	}
+	if !strings.Contains(s, "a.go:19") {
+		panic("missing a.go:19")
+	}
+	if !strings.Contains(s, "a.init") {
+		panic("missing a.init")
+	}
+
+	// Check the CallersFrames results.
+	if debug {
+		iter := runtime.CallersFrames(pcs[:n])
+		for {
+			f, more := iter.Next()
+			fmt.Printf("%s %s:%d\n", f.Function, f.File, f.Line)
+			if !more {
+				break
+			}
+		}
+	}
+	iter := runtime.CallersFrames(pcs[:n])
+	f, more := iter.Next()
+	if f.Function != "test/a.f" || !strings.HasSuffix(f.File, "a.go") || f.Line != 22 {
+		panic(fmt.Sprintf("bad f %v\n", f))
+	}
+	if !more {
+		panic("traceback truncated after f")
+	}
+	f, more = iter.Next()
+	if f.Function != "test/a.init" || !strings.HasSuffix(f.File, "a.go") || f.Line != 15 {
+		panic(fmt.Sprintf("bad init %v\n", f))
+	}
+	if !more {
+		panic("traceback truncated after init")
+	}
+	f, _ = iter.Next()
+	if !strings.HasPrefix(f.Function, "runtime.") {
+		panic("runtime. driver missing")
+	}
+
+	return 0
+}
+
+const debug = false