diff options
Diffstat (limited to 'test/fixedbugs/issue29735.go')
-rw-r--r-- | test/fixedbugs/issue29735.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/fixedbugs/issue29735.go b/test/fixedbugs/issue29735.go new file mode 100644 index 0000000..7a0381d --- /dev/null +++ b/test/fixedbugs/issue29735.go @@ -0,0 +1,33 @@ +// run + +// 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 FuncForPC won't panic when given a pc which +// lies between two functions. + +package main + +import ( + "runtime" +) + +func main() { + var stack [1]uintptr + runtime.Callers(1, stack[:]) + f() // inlined function, to give main some inlining info + for i := uintptr(0); true; i++ { + f := runtime.FuncForPC(stack[0] + i) + if f.Name() != "main.main" && f.Name() != "main.f" { + // Reached next function successfully. + break + } + } +} + +func f() { + sink = 0 // one instruction which can't be removed +} + +var sink int |