diff options
Diffstat (limited to 'test/fixedbugs/issue27143.go')
| -rw-r--r-- | test/fixedbugs/issue27143.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/fixedbugs/issue27143.go b/test/fixedbugs/issue27143.go new file mode 100644 index 0000000000..009ec9f6c2 --- /dev/null +++ b/test/fixedbugs/issue27143.go @@ -0,0 +1,17 @@ +// compile + +// Copyright 2018 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 27143: cmd/compile: erroneous application of walkinrange +// optimization for const over 2**63 + +package p + +var c uint64 + +var b1 bool = 0x7fffffffffffffff < c && c < 0x8000000000000000 +var b2 bool = c < 0x8000000000000000 && 0x7fffffffffffffff < c +var b3 bool = 0x8000000000000000 < c && c < 0x8000000000000001 +var b4 bool = c < 0x8000000000000001 && 0x8000000000000000 < c |