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master
test/fixedbugs/issue48476.go
21 строка
402 B
Keith Randall
cmd/compile: ensure constant shift amounts are in range for arm
20 сен 2021, 19:26
20 сен 2021, 19:26
eff27e8
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// run // Copyright 2021 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 import "fmt" //go:noinline func f(x uint64) uint64 { s := "\x04" c := s[0] return x << c << 4 } func main() { if want, got := uint64(1<<8), f(1); want != got { panic(fmt.Sprintf("want %x got %x", want, got)) } }