[perl #123862] [BUG] Negative exponents not parsed in radix literals

[Aleks-Daniel Jakimenko-Aleksejev via RT]

Still reproducible (2017.11, HEAD(5929887))

On 2015-03-10 14:55:48, david.warring wrote:
> On Tue Feb 17 11:20:39 2015, Mouq wrote:
> > GitHub user MARTIMM <mt1...@gmail.com> submitted the following bug to the
> > Roast GitHub issues ( https://github.com/perl6/roast/issues/53 )
> >
> > Reading through s02 section Exponentials, I found a number representation
> > > :10 which I tried in perl6.
> > > Result is
> > >
> > > > :10<1*2**-64>
> > > ===SORRY!=== Error while compiling <unknown file>
> > > Malformed radix number
> > > at <unknown file>:1
> > > ------> :10<1*2**⏏-64>
> > > expecting any of:
> > > number in radix notation
> > >
> > > It is also not tested in 'S02-literals/radix.t lines 183–192'.
> > >
> > > Version of perl;
> > > This is perl6 version 2015.01-77-gd320f00 built on MoarVM version
> > > 2015.01-21-g4ee4925
> > >
>
> A fudge test has been added to S02-literals/radix.t