Re: Regression in development version of bash w.r.t. associative hashes

[Stefano Lattarini]

On 05/06/2013 10:00 PM, Chet Ramey wrote:
> On 5/3/13 5:48 AM, Stefano Lattarini wrote:
>> [+cc bug-gnulib, see below for a reason]
>>
>> Minimal reproducer of the regression:
>>
>>   $ cat foo.bash
>>   echo "$BASH_VERSION"
>>   declare -A hash
>>   echo ${hash[a/b]}
>>   echo $?
>>
>>   $ /bin/bash foo.bash
>>   4.2.45(1)-release
>>
>>   0
>>
>>   $ ~/bleeding/bin/bash foo.bash
>>   4.3.0(1)-alpha
>>   foo.bash: line 3: a/b: division by 0 (error token is "b")
>>   1
>>
>> Notice that the new behaviour breaks the gnulib-tool script
>> (that's how I noticed this regression).
> 
> You're just not bleeding-edge enough. :-)
> 
> That problem was fixed several weeks ago as part of the ongoing cleanup
> of `invisible placeholder' variables (variables with attributes but no
> values, which are technically unset).
>
Indeed, I had forgotten to "git pull". Everything seems to work fine with
the latest 'devel' branch.

Thanks, and sorry for the noise,
  Stefano