* min/max optimization is carried out only if -O2 is used

tests/test/tminmax1.pp

@@ -1,4 +1,4 @@
-{ %opt=-O- -O1 }  { ensure we test code generation without constant propagation }
+{ %opt=-O- -O2 }  { ensure we test code generation without constant propagation }
 {$mode objfpc}
 
-{$I minmax.inc }
+{$I minmax.inc }