From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue20780b.go | 62 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 test/fixedbugs/issue20780b.go (limited to 'test/fixedbugs/issue20780b.go') diff --git a/test/fixedbugs/issue20780b.go b/test/fixedbugs/issue20780b.go new file mode 100644 index 0000000..c8bf1f8 --- /dev/null +++ b/test/fixedbugs/issue20780b.go @@ -0,0 +1,62 @@ +// +build cgo,linux,amd64 +// run -race + +// 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. + +// Test that CL 281293 doesn't interfere with race detector +// instrumentation. + +package main + +import "fmt" + +const N = 2e6 + +type Big = [N]int + +var sink interface{} + +func main() { + g(0, f(0)) + + x1 := f(1) + sink = &x1 + g(1, x1) + g(7, f(7)) + g(1, x1) + + x3 := f(3) + sink = &x3 + g(1, x1) + g(3, x3) + + h(f(0), x1, f(2), x3, f(4)) +} + +//go:noinline +func f(k int) (x Big) { + for i := range x { + x[i] = k*N + i + } + return +} + +//go:noinline +func g(k int, x Big) { + for i := range x { + if x[i] != k*N+i { + panic(fmt.Sprintf("x%d[%d] = %d", k, i, x[i])) + } + } +} + +//go:noinline +func h(x0, x1, x2, x3, x4 Big) { + g(0, x0) + g(1, x1) + g(2, x2) + g(3, x3) + g(4, x4) +} -- cgit v1.2.3