Bit operator conversions

[Sergey Gromov]

Wed, 08 Apr 2009 12:06:48 -0400, Kagamin wrote:

> Sergey Gromov Wrote:
> 
>> Mon, 06 Apr 2009 08:53:41 -0400, Kagamin wrote:
>> 
>>> Is it valid for this to compile:
>>> ---
>>> ushort a(ushort b) pure nothrow
>>> 	{ return b<<10|b; }
>>> ---
>>> 
>>> And for this to not compile:
>>> ---
>>> ushort a(ushort b) pure nothrow
>>> 	{ return b<<10; }
>>> ---
>>> ?
>> 
>> They both compile with 2.026.  What's your problem?
> 
> Could you please check bug http://d.puremagic.com/issues/show_bug.cgi?id=2809
> with your dmd 2.026? It can be regression.

Yes the #2809 is present in 2.026.

Actually I didn't realize your example was meant to be compiled with -w
switch.  Without -w it simply compiles, no problem.  With -w, it fails
while I think it shouldn't.