[perl #57866] Quoting characters in character class ranges makes the character classes not match

[Carl Mäsak]

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r30183:
$ ./perl6 -e 'say "b" ~~ /<[a..c]>/' # matches
b
$ ./perl6 -e 'say "b" ~~ /<["a".."c"]>/' # should match, doesn't

Maybe this is a PGE bug -- please reclassify as needed.