[fpc-devel] Dangerous optimization in CASE..OF

[Martok]

> They are:
> http://docwiki.embarcadero.com/Libraries/XE5/en/System.Boolean
That prototype is a recent invention, it wasn't there in older versions. Also
the text sounds quite different somewhere else:
http://docwiki.embarcadero.com/RADStudio/XE5/en/Simple_Types#Boolean_Types

> Yes. What I wanted to point out: also delphi does optimizations on enums which fails if one feeds
> invalid values.
Okay, if you want believe that Booleans are enums:

  b:=boolean(42);
  if not b then
    writeln('falsy')
  else
    writeln('truthy');

Prints truthy. Doesn't crash.