diff options
Diffstat (limited to 'test/fixedbugs/issue5809.go')
-rw-r--r-- | test/fixedbugs/issue5809.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5809.go b/test/fixedbugs/issue5809.go new file mode 100644 index 0000000..fc8eeef --- /dev/null +++ b/test/fixedbugs/issue5809.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2013 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 5809: 6g and 8g attempted to constant propagate indexed LEA + +package main + +import "fmt" + +func main() { + const d16 = "0123456789ABCDEF" + k := 0x1234 + var x [4]byte + + x[0] = d16[k>>12&0xf] + x[1] = d16[k>>8&0xf] + x[2] = d16[k>>4&0xf] + x[3] = d16[k&0xf] + + if x != [4]byte{'1','2','3','4'} { + fmt.Println(x) + panic("x != [4]byte{'1','2','3','4'}") + } +} |