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go/test/fixedbugs/issue23504.go
Keith Randall 4313d7767d cmd/compile: reset branch prediction when deleting a branch
When we go from a branch block to a plain block, reset the
branch prediction bit. Downstream passes asssume that if the
branch prediction is set, then the block has 2 successors.

Fixes #23504

Change-Id: I2898ec002228b2e34fe80ce420c6939201c0a5aa
Reviewed-on: https://go-review.googlesource.com/88955
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2018-02-20 00:56:13 +00:00

16 lines
284 B
Go

// 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.
package p
func f() {
var B bool
B2 := (B || B && !B) && !B
B3 := B2 || B
for (B3 || B2) && !B2 && B {
}
}