aihc-parser-1.0.0.2: test/Test/Fixtures/lexer/numeric-underscores/hex-double-leading-underscore.yaml

# Double leading underscore after base prefix is valid per GHC NumericUnderscores
extensions:
  - NumericUnderscores
input: "0x__ffff"
tokens:
  - 'TkInteger 65535 TInteger'
  - 'TkEOF'
status: pass