From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/fixedbugs/bug206.go | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 test/fixedbugs/bug206.go (limited to 'test/fixedbugs/bug206.go') diff --git a/test/fixedbugs/bug206.go b/test/fixedbugs/bug206.go new file mode 100644 index 0000000..91efa3f --- /dev/null +++ b/test/fixedbugs/bug206.go @@ -0,0 +1,48 @@ +// run + +// Copyright 2009 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 "go/ast"; + +func g(list []ast.Expr) { + n := len(list)-1; + println(list[n].Pos()); +} + + +// f is the same as g except that the expression assigned to n is inlined. +func f(list []ast.Expr) { + // n := len(list)-1; + println(list[len(list)-1 /* n */].Pos()); +} + + +func main() { + list := []ast.Expr{&ast.Ident{}}; + g(list); // this works + f(list); // this doesn't +} + + +/* +0 +throw: index out of range + +panic PC=0x2bcf10 +throw+0x33 /home/gri/go/src/pkg/runtime/runtime.c:71 + throw(0x470f8, 0x0) +sys·throwindex+0x1c /home/gri/go/src/pkg/runtime/runtime.c:45 + sys·throwindex() +main·f+0x26 /home/gri/go/test/bugs/bug206.go:16 + main·f(0x2b9560, 0x0) +main·main+0xc3 /home/gri/go/test/bugs/bug206.go:23 + main·main() +mainstart+0xf /home/gri/go/src/pkg/runtime/amd64/asm.s:55 + mainstart() +goexit /home/gri/go/src/pkg/runtime/proc.c:133 + goexit() +*/ -- cgit v1.2.3