[perl #130412] [REGRESSION] It is no longer possible to return -Inf from the signature (sub foo(--> -Inf) {})

[Zoffix Znet via RT]

On Tue, 27 Dec 2016 08:24:06 -0800, alex.jakime...@gmail.com wrote:
> Code:
> sub foo ( --> -Inf) {  }; say foo
> 
> 
> Result(2016.11):
> -Inf
> 
> 
> Result(HEAD):
> ===SORRY!=== Error while compiling -e
> Malformed return value
> at -e:1
> ------> sub foo ( -->⏏ -Inf) {  }; say foo
> 
> 
> 
> Bisectable points to
> https://github.com/rakudo/rakudo/commit/ae614f94b0fe2ff4e95579bc4200e4c1d83ce9e4


Closing this as it's a dupe of #130249. The only reason it ever worked is due 
to another bug that treated -Inf as a single term.