* New test for #41155 bug fix

tests/webtbs/tw41155.pp

@@ -0,0 +1,33 @@
+{ %OPT=-O3 }
+program tw41155;
+
+{$mode objfpc} {$modeswitch anonymousfunctions}
+type
+  pAdapter = ^Adapter;
+  Adapter = record
+    start: SizeUint;
+    adaptee: procedure(p: pointer; a, b: SizeUint);
+  end;
+
+  procedure UseAdapter(ad: pAdapter; a, b: SizeUint);
+  begin
+    ad^.adaptee(nil, ad^.start + a, ad^.start + b);
+  end;
+
+var
+  ad: Adapter;
+  oops: boolean = false;
+
+begin
+  ad.start := 10;
+  ad.adaptee :=
+    procedure(p: pointer; a, b: SizeUint)
+    begin
+      if p <> nil then begin writeln('p = ', PtrUint(p), ', should be 0.'); oops := true; end;
+      if a <> 110 then begin writeln('a = ', a, ', should be 110.'); oops := true; end;
+      if b <> 1010 then begin writeln('b = ', b, ', should be 1010.'); oops := true; end;
+    end;
+  UseAdapter(@ad, 100, 1000);
+  if oops then halt(1);
+  WriteLn('ok');
+end.