From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:25:22 +0200 Subject: Adding upstream version 1.22.1. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue44378.go | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 test/fixedbugs/issue44378.go (limited to 'test/fixedbugs/issue44378.go') diff --git a/test/fixedbugs/issue44378.go b/test/fixedbugs/issue44378.go new file mode 100644 index 0000000..58c88d5 --- /dev/null +++ b/test/fixedbugs/issue44378.go @@ -0,0 +1,40 @@ +// compile + +// Copyright 2021 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. + +// This test case caused a panic in the compiler's DWARF gen code. + +// Note to future maintainers of this code: +// +// ** Do NOT run gofmt when editing this file ** +// +// In order for the buggy behavior to be triggered in the compiler, +// we need to have a the function of interest all on one gigantic line. + +package a + +type O interface{} +type IO int +type OS int + +type A struct { + x int +} + +// original versions of the two function +func (p *A) UO(o O) { + p.r(o, o) +} +func (p *A) r(o1, o2 O) { + switch x := o1.(type) { + case *IO: + p.x = int(*x) + case *OS: + p.x = int(*x + 2) + } +} + +// see note above about the importance of all this code winding up on one line. +var myverylongname0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 int ; func (p *A) UO2(o O) { p.r2(o, o); }; func (p *A) r2(o1, o2 O) { switch x := o1.(type) { case *IO: p.x = int(*x); case *OS: p.x = int(*x + 2); } } -- cgit v1.2.3