[perl #72830] [BUG] Parse difficulties with '::%%r' in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<diakopter> std: my %r = 4; say ::%%r
<p6eval> std 29733: OUTPUT«ok 00:01 107m␤»
<diakopter> rakudo: my %r = 4; say ::%%r
<p6eval> rakudo 70667a: OUTPUT«Confused at line 11, near "say
::%%r"␤current instr.: 'perl6;HLL;Grammar;panic' pc 500
(ext/nqp-rx/src/stage0/HLL-s0.pir:328)␤»
<diakopter> I don't know whether that's a rakudobug, stdbug, both, or neither.
<TimToady> std: :: % %r
<p6eval> std 29733: OUTPUT«Potential difficulties:␤  Variable %r is
not predeclared at /tmp/BecvEU8Bg6 line 1:␤------> :: %
%r⏏<EOL>␤ok 00:01 106m␤»
<diakopter> rakudobug, then
* masak submits it