:radix[] form allows too-large place values

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Migrated from rt.perl.org#125800 (status was 'open')

Searchable as RT125800$

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From @ShimmerFairy

<ShimmerFairy> m​: say :16[16]
<camelia> rakudo-moar 98df93​: OUTPUT«16␤»
<ShimmerFairy> m​: say :16[1, 16]
<camelia> rakudo-moar 98df93​: OUTPUT«32␤»

Essentially, rakudo does the math on this form of radix without checking its place values if they're valid for the given radix.

[p6rt]

From @AlexDaniel

I'm not entirely sure what is supposed to happen there.

With just one argument it acts as a pass-thru​:
say :16[16] # OUTPUT​: «9999»

And with two values it seems to do the math correctly​:

say :16[1,9999] # OUTPUT​: «10015»

So what should be done exactly? Should we just error out on too-large values (even though it seems to be functional)?

On 2015-08-13 03​:25​:44, lue wrote​:

<ShimmerFairy> m​: say :16[16]
<camelia> rakudo-moar 98df93​: OUTPUT«16␤»
<ShimmerFairy> m​: say :16[1, 16]
<camelia> rakudo-moar 98df93​: OUTPUT«32␤»

Essentially, rakudo does the math on this form of radix without
checking its place values if they're valid for the given radix.

[p6rt]

The RT System itself - Status changed from 'new' to 'open'