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issue12411.go
// run //go:build !386 // Copyright 2015 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 12411. Loss of AX during %. package main func main() { x := f(4) if x != 0 { println("BUG: x=", x) } } //go:noinline func f(x int) int { // AX was live on entry to one of the % code generations, // and the % code generation smashed it. return ((2 * x) % 3) % (2 % ((x << 2) ^ (x % 3))) }
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