From b9de1157289455b0ca26daff519d4a0ddcd1fa13 Mon Sep 17 00:00:00 2001
From: Dan Albert <danalbert@google.com>
Date: Wed, 24 Feb 2016 13:48:45 -0800
Subject: Update 4.8.1 to 4.8.3.

My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).

From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.

Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
---
 gcc-4.8.1/libgo/go/sync/waitgroup_test.go | 165 ------------------------------
 1 file changed, 165 deletions(-)
 delete mode 100644 gcc-4.8.1/libgo/go/sync/waitgroup_test.go

(limited to 'gcc-4.8.1/libgo/go/sync/waitgroup_test.go')

diff --git a/gcc-4.8.1/libgo/go/sync/waitgroup_test.go b/gcc-4.8.1/libgo/go/sync/waitgroup_test.go
deleted file mode 100644
index 84c4cfc37..000000000
--- a/gcc-4.8.1/libgo/go/sync/waitgroup_test.go
+++ /dev/null
@@ -1,165 +0,0 @@
-// Copyright 2011 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 sync_test
-
-import (
-	"runtime"
-	. "sync"
-	"sync/atomic"
-	"testing"
-)
-
-func testWaitGroup(t *testing.T, wg1 *WaitGroup, wg2 *WaitGroup) {
-	n := 16
-	wg1.Add(n)
-	wg2.Add(n)
-	exited := make(chan bool, n)
-	for i := 0; i != n; i++ {
-		go func(i int) {
-			wg1.Done()
-			wg2.Wait()
-			exited <- true
-		}(i)
-	}
-	wg1.Wait()
-	for i := 0; i != n; i++ {
-		select {
-		case <-exited:
-			t.Fatal("WaitGroup released group too soon")
-		default:
-		}
-		wg2.Done()
-	}
-	for i := 0; i != n; i++ {
-		<-exited // Will block if barrier fails to unlock someone.
-	}
-}
-
-func TestWaitGroup(t *testing.T) {
-	wg1 := &WaitGroup{}
-	wg2 := &WaitGroup{}
-
-	// Run the same test a few times to ensure barrier is in a proper state.
-	for i := 0; i != 8; i++ {
-		testWaitGroup(t, wg1, wg2)
-	}
-}
-
-func TestWaitGroupMisuse(t *testing.T) {
-	defer func() {
-		err := recover()
-		if err != "sync: negative WaitGroup counter" {
-			t.Fatalf("Unexpected panic: %#v", err)
-		}
-	}()
-	wg := &WaitGroup{}
-	wg.Add(1)
-	wg.Done()
-	wg.Done()
-	t.Fatal("Should panic")
-}
-
-func BenchmarkWaitGroupUncontended(b *testing.B) {
-	type PaddedWaitGroup struct {
-		WaitGroup
-		pad [128]uint8
-	}
-	const CallsPerSched = 1000
-	procs := runtime.GOMAXPROCS(-1)
-	N := int32(b.N / CallsPerSched)
-	c := make(chan bool, procs)
-	for p := 0; p < procs; p++ {
-		go func() {
-			var wg PaddedWaitGroup
-			for atomic.AddInt32(&N, -1) >= 0 {
-				runtime.Gosched()
-				for g := 0; g < CallsPerSched; g++ {
-					wg.Add(1)
-					wg.Done()
-					wg.Wait()
-				}
-			}
-			c <- true
-		}()
-	}
-	for p := 0; p < procs; p++ {
-		<-c
-	}
-}
-
-func benchmarkWaitGroupAddDone(b *testing.B, localWork int) {
-	const CallsPerSched = 1000
-	procs := runtime.GOMAXPROCS(-1)
-	N := int32(b.N / CallsPerSched)
-	c := make(chan bool, procs)
-	var wg WaitGroup
-	for p := 0; p < procs; p++ {
-		go func() {
-			foo := 0
-			for atomic.AddInt32(&N, -1) >= 0 {
-				runtime.Gosched()
-				for g := 0; g < CallsPerSched; g++ {
-					wg.Add(1)
-					for i := 0; i < localWork; i++ {
-						foo *= 2
-						foo /= 2
-					}
-					wg.Done()
-				}
-			}
-			c <- foo == 42
-		}()
-	}
-	for p := 0; p < procs; p++ {
-		<-c
-	}
-}
-
-func BenchmarkWaitGroupAddDone(b *testing.B) {
-	benchmarkWaitGroupAddDone(b, 0)
-}
-
-func BenchmarkWaitGroupAddDoneWork(b *testing.B) {
-	benchmarkWaitGroupAddDone(b, 100)
-}
-
-func benchmarkWaitGroupWait(b *testing.B, localWork int) {
-	const CallsPerSched = 1000
-	procs := runtime.GOMAXPROCS(-1)
-	N := int32(b.N / CallsPerSched)
-	c := make(chan bool, procs)
-	var wg WaitGroup
-	wg.Add(procs)
-	for p := 0; p < procs; p++ {
-		go wg.Done()
-	}
-	for p := 0; p < procs; p++ {
-		go func() {
-			foo := 0
-			for atomic.AddInt32(&N, -1) >= 0 {
-				runtime.Gosched()
-				for g := 0; g < CallsPerSched; g++ {
-					wg.Wait()
-					for i := 0; i < localWork; i++ {
-						foo *= 2
-						foo /= 2
-					}
-				}
-			}
-			c <- foo == 42
-		}()
-	}
-	for p := 0; p < procs; p++ {
-		<-c
-	}
-}
-
-func BenchmarkWaitGroupWait(b *testing.B) {
-	benchmarkWaitGroupWait(b, 0)
-}
-
-func BenchmarkWaitGroupWaitWork(b *testing.B) {
-	benchmarkWaitGroupWait(b, 100)
-}
-- 
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