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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /test/fixedbugs/issue4463.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-upstream.tar.xz golang-1.16-upstream.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue4463.go')
-rw-r--r-- | test/fixedbugs/issue4463.go | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4463.go b/test/fixedbugs/issue4463.go new file mode 100644 index 0000000..6ad1952 --- /dev/null +++ b/test/fixedbugs/issue4463.go @@ -0,0 +1,87 @@ +// errorcheck + +// Copyright 2012 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. + +// Issue 4463: test builtin functions in statement context and in +// go/defer functions. + +package p + +import "unsafe" + +func F() { + var a []int + var c chan int + var m map[int]int + var s struct{ f int } + + append(a, 0) // ERROR "not used" + cap(a) // ERROR "not used" + complex(1, 2) // ERROR "not used" + imag(1i) // ERROR "not used" + len(a) // ERROR "not used" + make([]int, 10) // ERROR "not used" + new(int) // ERROR "not used" + real(1i) // ERROR "not used" + unsafe.Alignof(a) // ERROR "not used" + unsafe.Offsetof(s.f) // ERROR "not used" + unsafe.Sizeof(a) // ERROR "not used" + + close(c) + copy(a, a) + delete(m, 0) + panic(0) + print("foo") + println("bar") + recover() + + (close(c)) + (copy(a, a)) + (delete(m, 0)) + (panic(0)) + (print("foo")) + (println("bar")) + (recover()) + + go append(a, 0) // ERROR "not used|discards result" + go cap(a) // ERROR "not used|discards result" + go complex(1, 2) // ERROR "not used|discards result" + go imag(1i) // ERROR "not used|discards result" + go len(a) // ERROR "not used|discards result" + go make([]int, 10) // ERROR "not used|discards result" + go new(int) // ERROR "not used|discards result" + go real(1i) // ERROR "not used|discards result" + go unsafe.Alignof(a) // ERROR "not used|discards result" + go unsafe.Offsetof(s.f) // ERROR "not used|discards result" + go unsafe.Sizeof(a) // ERROR "not used|discards result" + + go close(c) + go copy(a, a) + go delete(m, 0) + go panic(0) + go print("foo") + go println("bar") + go recover() + + defer append(a, 0) // ERROR "not used|discards result" + defer cap(a) // ERROR "not used|discards result" + defer complex(1, 2) // ERROR "not used|discards result" + defer imag(1i) // ERROR "not used|discards result" + defer len(a) // ERROR "not used|discards result" + defer make([]int, 10) // ERROR "not used|discards result" + defer new(int) // ERROR "not used|discards result" + defer real(1i) // ERROR "not used|discards result" + defer unsafe.Alignof(a) // ERROR "not used|discards result" + defer unsafe.Offsetof(s.f) // ERROR "not used|discards result" + defer unsafe.Sizeof(a) // ERROR "not used|discards result" + + defer close(c) + defer copy(a, a) + defer delete(m, 0) + defer panic(0) + defer print("foo") + defer println("bar") + defer recover() +} |