Adding upstream version 1.65.7.

Signed-off-by: Daniel Baumann <daniel@debian.org>

memgrind_test.go

@@ -0,0 +1,63 @@
+// Copyright 2021 The Libc 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 !libc.membrk && libc.memgrind && !(linux && (amd64 || arm64 || loong64 || ppc64le || s390x || riscv64 || 386 || arm))
+
+package libc // import "modernc.org/libc"
+
+import (
+	"math/rand"
+	"testing"
+)
+
+func TestTLSAllocator(t *testing.T) {
+	const rq = int(stackSegmentSize*3) / 4
+	MemAuditStart()
+	tls := NewTLS()
+	for i := 0; i < 10; i++ {
+		tls.Alloc(rq)
+	}
+	for i := 0; i < 10; i++ {
+		tls.Free(rq)
+	}
+	tls.Close()
+	if err := MemAuditReport(); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestTLSAllocator2(t *testing.T) {
+	MemAuditStart()
+	tls := NewTLS()
+	for rq := 1; rq < 1000; rq++ {
+		tls.Alloc(rq)
+	}
+	for rq := 999; rq > 0; rq-- {
+		tls.Free(rq)
+	}
+	tls.Close()
+	if err := MemAuditReport(); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestTLSAllocator3(t *testing.T) {
+	a := make([]int, 1000)
+	r := rand.New(rand.NewSource(42))
+	for i := range a {
+		a[i] = int(r.Int31n(2 * int32(stackSegmentSize)))
+	}
+	MemAuditStart()
+	tls := NewTLS()
+	for _, rq := range a {
+		tls.Alloc(rq)
+	}
+	for i := len(a) - 1; i >= 0; i-- {
+		tls.Free(a[i])
+	}
+	tls.Close()
+	if err := MemAuditReport(); err != nil {
+		t.Fatal(err)
+	}
+}