@@ -0,0 +1,23 @@
+{$macro on}
+
+{$define aaa:=1234}
+{$define bbb:=4321}
+{$define ccc:=aaa} // here aaa is already defined macros
+var
+ err : boolean;
+begin
+ err:=true;
+{$if aaa=ccc} // condition is equal
+ // but compiler not compiling this block, because
+ // don't take into account that value of macros ccc is macros also.
+ err:=false;
+ writeln('success');
+{$else}
+ writeln('failure');
+{$endif}
+ if err then
+ halt(1);
+end.