From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue35518.go | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 test/fixedbugs/issue35518.go (limited to 'test/fixedbugs/issue35518.go') diff --git a/test/fixedbugs/issue35518.go b/test/fixedbugs/issue35518.go new file mode 100644 index 0000000..52a0ae7 --- /dev/null +++ b/test/fixedbugs/issue35518.go @@ -0,0 +1,44 @@ +// errorcheck -0 -l -m=2 + +// 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. + +// This test makes sure that -m=2's escape analysis diagnostics don't +// go into an infinite loop when handling negative dereference +// cycles. The critical thing being tested here is that compilation +// succeeds ("errorcheck -0"), not any particular diagnostic output, +// hence the very lax ERROR patterns below. + +package p + +type Node struct { + Orig *Node +} + +var sink *Node + +func f1() { + var n Node // ERROR "." + n.Orig = &n + + m := n // ERROR "." + sink = &m +} + +func f2() { + var n1, n2 Node // ERROR "." + n1.Orig = &n2 + n2 = n1 + + m := n2 // ERROR "." + sink = &m +} + +func f3() { + var n1, n2 Node // ERROR "." + n1.Orig = &n1 + n1.Orig = &n2 + + sink = n1.Orig.Orig +} -- cgit v1.2.3