Remove dead hacks.

doc/HACKS

@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.11 2003/10/26 01:56:54 lukem Exp $
+# $NetBSD: HACKS,v 1.12 2003/10/26 16:35:18 mycroft Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -37,17 +37,6 @@ descr
 	this feature to GCC 3 so it can be removed when switching.
 kcah
 
-hack	gcc 2.95.3 -O2 bug
-cdate	Sun Jan  6 23:17:28 UTC 2002
-who	lukem
-port	alpha
-file	sbin/newfs/mkfs.c : (all?)
-pr	15156
-descr
-	newfs built with gcc -O2 dumps core part-way through.
-	using -O1 avoids the problem
-kcah
-
 hack	binutil-2.11-sparc64-pltrela
 mdate	14 Aug 2001
 who	eeh
@@ -67,18 +56,6 @@ descr
 	entries too far, so we frob the rela pointer.
 kcah
 
-hack	gcc-arm32-schedule
-mdate	04 May 2000
-who	is
-file	lib/libc/stdlib/strtoull.c	: 1.3 : 78 : 81
-file	lib/libc/stdlib/strtouq.c	: 1.15 : 73 : 76
-pr	9613
-descr
-	strtoull() was returning a wrong result for small numbers with bit 31
-	set. This is a gcc/arm32 compiler bug in gcc < 2.95.2. Adding
-	(void)&acc; works around it.
-kcah
-
 hack	netstat ieee1394 address printing.
 mdate	14 Nov 2000
 who	matt
@@ -141,19 +118,6 @@ descr	Add an option to access the underlying bus in big endian byte order
 	tag.
 kcah
 
-hack	gcc 2.95.3 -O2 (-fgcse) bug
-cdate	Sun May  5 18:36:04 UTC 2002
-who	tsutsui
-port	macppc
-file	sys/arch/macppc/dev/adb_direct.c:	1.24 : 1895 : 1896
-pr	16678
-descr
-	gcc-2.95.3 does generates wrong code on optimization
-	by gcc -O2 (-fgcse), and adb_read_date_time() returns
-	wrong value on cuda system.
-	A null asm statement has been added to avoid this for workaround.
-kcah
-
 hack	gcc-vax-libbz2
 mdate	27 Jun 2002
 who	thorpej