[perl #77562] rakudo parses /$'x'/ but STD doesn't

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# New Ticket Created by  Paweł Pabian 
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[13:30] <bbkr> std: /$'x'/
[13:30] <p6eval> std 32120: OUTPUT«===SORRY!===␤Unrecognized 
regex metacharacter (must be quoted to match literally) at /tmp/Z7pZBmmNfW 
line 1:␤------> /$⏏'x'/␤Can't call method "from" on 
unblessed reference at STD.pm line 53782.␤FAILED 00:01 116m␤»


[13:30] <bbkr> rakudo: /$'x'/
[13:30] <p6eval> rakudo f8e959:  ( no output )