Haskell syntax highlighter not working for multiline strings

[xaviershay]

Reproduction steps

Use the following haskell snippet with GHC >= 9.12.1

{-# LANGUAGE MultilineStrings #-}

x = """
  Hello
"""

Current vs. Expected behavior

Current behaviour:

Note the "ERROR" nodes in the syntax tree, and the failure to highlight "Hello" as a string.

Zed version and system specs

Zed 0.225.10
7c950f7b7c11ed485b0e7d72216ca36ebc86b58b

0.225.10+stable.184.7c950f7b7c11ed485b0e7d72216ca36ebc86b58b

Windows

[xaviershay]

Per zed-industries/zed#50446 (comment) this is likely dependent on haskell/haskell-language-server#4672