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master
test/fixedbugs/issue18906.go
36 строк
526 B
Michael Munday
cmd/compile: fix type propagation through s390x SSA rules
04 фев 2017, 00:27
04 фев 2017, 00:27
ddf807f
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// run // Copyright 2017 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. package main //go:noinline func f(x int) { } //go:noinline func val() int8 { return -1 } var ( array = [257]int{} slice = array[1:] ) func init() { for i := range array { array[i] = i - 1 } } func main() { x := val() y := int(uint8(x)) f(y) // try and force y to be calculated and spilled if slice[y] != 255 { panic("incorrect value") } }