steven@ points out the -O0 which is needed on amd64 with gcc 3.3 for

slarrfun.c can be passed via the environment rather than in a patch;
do this and only apply it to amd64.

devel/libslang/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.47 2009/10/23 09:23:11 sthen Exp $
+# $OpenBSD: Makefile,v 1.48 2009/10/25 11:48:09 sthen Exp $
 
 COMMENT=	stack-based interpreter for terminal applications
 
 DISTNAME=	slang-2.2.1
-PKGNAME=	lib${DISTNAME}p0
+PKGNAME=	lib${DISTNAME}p1
 SHARED_LIBS=	slang 15.0
 
 CATEGORIES=	devel
@@ -35,6 +35,11 @@ REGRESS_FLAGS=		TCAPLIB="-ltermlib"
 MAKE_ENV=		LIBslang_MAJOR=${LIBslang_VERSION:R} \
 			LIBslang_MINOR=${LIBslang_VERSION:E}
 
+# GCC 3.3 optimizer problems: http://marc.info/?m=125562659714004
+.if ${MACHINE_ARCH} == "amd64"
+MAKE_ENV+=		slarrfun_C_FLAGS=-O0
+.endif
+
 pre-configure:
 	cd ${AUTOCONF_DIR}; cp configure ..
 

devel/libslang/patches/patch-src_Makefile_in

@@ -9,13 +9,3 @@
  DOC_FILES = ../changes.txt ../COPY* ../doc/slangdoc.html ../doc/text/*.txt
  MODULE_INSTALL_DIR = @libdir@/slang/v@slang_major_version@/modules
  #---------------------------------------------------------------------------
-@@ -90,6 +90,9 @@ ALL_ELF_CFLAGS		= $(ELF_CFLAGS) -Dunix $(THIS_LIB_DEFI
- COMPILE_CMD		= $(CC) -c $(ALL_CFLAGS)
- ELFCOMPILE_CMD		= $(ELF_CC) -c $(ALL_ELF_CFLAGS)
- ELF_LINK_CMD		= $(ELF_LINK)
-+
-+# GCC 3.3 optimizer problems: http://marc.info/?m=125562659714004
-+slarrfun_C_FLAGS	= -O0
- 
- NORMAL_LIB = lib$(THIS_LIB).a
- OBJDIR_NORMAL_LIB = $(OBJDIR)/$(NORMAL_LIB)