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Postings from January 2012
On 01/29/2012 02:50 PM, Father Chrysostomos wrote:
>
> On Jan 29, 2012, at 12:54 PM, Karl Williamson wrote:
>
>> On 01/29/2012 01:36 PM, Father Chrysostomos wrote:
>>>
>>> On Jan 29, 2012, at 11:10 AM, Karl Williamson wrote:
>>>
>>>> I am suddenly getting failures in porting/utils.t. A sample is:
>>>>
>>>> # Failed at porting/utils.t line 81
>>>> # got "Use of uninitialized value $mask in vec at ../lib/warnings.pm line 391.\nUse of uninitialized value $mask in bitwise or (|) at ../lib/warnings.pm line 397.\nUse of uninitialized value $mask in vec at ../lib/warnings.pm line 391.\nUse of uninitialized value $mask in bitwise or (|) at ../lib/warnings.pm line 397.\nUse of uninitialized value $mask in vec at ../lib/warnings.pm line 407.\nUse of uninitialized value $mask in bitwise and (&) at ../lib/warnings.pm line 419.\nPorting/bisect.pl syntax OK\n"
>>>>
>>>>
>>>> A bisect yields this:
>>>> commit 7e4f04509c6d4e8d2ed0e31eaf59004e5c930b39
>>>> Author: Father Chrysostomos<sprout@cpan.org>
>>>> Date: Thu Jan 26 20:43:17 2012 -0800
>>>>
>>>> Allow ${^WARNING_BITS} to turn off lexical warnings
>>>>
>>>>
>>>> However, I didn't get that until today, and I have downloaded blead several times since that commit was made, including earlier today. So I don't understand how it is suddenly showing up.
>>>
>>> Do you need to re-run regen/warnings.pl?
>>>
>>> That’s the only thing I can think of. Perhaps it got out of synch at your end somehow.
>>>
>>>
>>
>>
>> Nothing changes when I run that; so that doesn't explain things.
>
> Does line 389 of warnings.pm contain //, as shown below?
>
> 385 sub import
> 386 {
> 387 shift;
> 388
> 389 my $mask = ${^WARNING_BITS} // ($^W ? $Bits{all} : $NONE) ;
> 390
> 391 if (vec($mask, $Offsets{'all'}, 1)) {
> 392 $mask |= $Bits{'all'} ;
> 393 $mask |= $DeadBits{'all'} if vec($mask, $Offsets{'all'}+1, 1);
> 394 }
> 395
> 396 # Empty @_ is equivalent to @_ = 'all' ;
> 397 ${^WARNING_BITS} = @_ ? _bits($mask, @_) : $mask | $Bits{all} ;
> 398 }
>
>
Yes:
my $mask = ${^WARNING_BITS} // ($^W ? $Bits{all} : $NONE) ;
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