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go/test/fixedbugs/issue11656.dir/asm_generic.go
Paul E. Murphy c7fa66179b test: workaround SIGILL on issue11656 on aix
For some reason, aix sometimes executes the bogus function body. This
should never happen as it lives in a no-execute section. It might be
a transient permission blip as the heap grows.

Add a small function to cleanup and synchronize the icache before
jumping to the bogus function to ensure it causes a panic, not SIGILL.

Fixes #44583

Change-Id: Iadca62d82bfb70fc62088705dac42a880a1208fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/377314
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-01-11 15:28:40 +00:00

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Go

// Copyright 2022 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.
//go:build !ppc64 && !ppc64le
// +build !ppc64,!ppc64le
package main
func syncIcache(p uintptr) {
}