[perl #128742] type capture forces order of positional arguments

[via RT]

# New Ticket Created by  Wenzel Peppmeyer 
# Please include the string:  [perl #128742]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=128742 >


sub f(&c:(T), ::T @l){};
# OUTPUT«===SORRY!=== Error while compiling <tmp>␤Invalid typename 'T' in 
parameter declaration.␤at <tmp>:1␤------> sub f(&c:(T⏏),  @l){};␤»
# expected same as:
sub f(::T @l, &c:(T)){};

# also note:
sub f(&c:(::T $), T @l){};
# OUTPUT«===SORRY!=== Error while compiling <tmp>␤Invalid typename 'T' in 
parameter declaration.␤at <tmp>:1␤------>sub f(&c:(::T), T⏏@l){};␤»