[project @ 1998-11-25 16:44:05 by simonm]

add simple IORef test.

ghc/tests/lib/should_run/Makefile

 #-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.7 1998/10/08 11:52:34 simonm Exp $
+# $Id: Makefile,v 1.8 1998/11/25 16:44:05 simonm Exp $
 
 TOP = ../..
 include $(TOP)/mk/boilerplate.mk
@@ -15,6 +15,9 @@ list001_HC_OPTS         = -fglasgow-exts
 stableptr001_RUNTEST_OPTS = +RTS -K4m
 dynamic001_HC_OPTS = -syslib exts
 
+ioexts001_HC_OPTS 	= -fglasgow-exts -O
+ioexts001_RUNTEST_OPTS  = +RTS -K8m
+
 SRC_MKDEPENDHS_OPTS += -syslib misc -syslib exts 
 
 include $(TOP)/mk/target.mk

ghc/tests/lib/should_run/ioexts001.hs

+{-# OPTIONS -fglasgow-exts #-}
+
+module Main where
+
+import IOExts
+
+loop r 0 = return ()
+loop r c = loop r (c-1) >> writeIORef r 42
+
+main = newIORef 0 >>= \r -> loop r 1000000
+
+