added tests as prepared by oliver

test/ref/macro.c

@@ -0,0 +1,30 @@
+/*
+  !!DESCRIPTION!! macro bug test program
+  !!ORIGIN!!      testsuite
+  !!LICENCE!!     Public Domain
+  !!AUTHOR!!      Groepaz/Hitmen
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+unsigned long fs=7;
+unsigned long fd=5;
+unsigned long a=3;
+
+unsigned long _func(unsigned long x,unsigned long y)
+{
+	printf("x:%ld y:%ld\n",x,y);
+	return 0;
+}
+
+#define func(x,y)	_func(x,y)
+
+int main(void)
+{
+	fs= func( (fd/a) ,  func(2,0x0082c90f) );
+	printf("fs:%ld\n",fs);
+	fs=_func( (fd/a) , _func(2,0x0082c90f) );
+	printf("fs:%ld\n",fs);
+	return 0;
+}