Problems reported:

parser/error_recovery/issue_39033.crash:1:11: Expected '>' after this.
typedef F<Glib.=
          ^^^^

parser/error_recovery/issue_39033.crash:1:17: Expected a type, but got ''.
typedef F<Glib.=
                ^...

parser/error_recovery/issue_39033.crash:1:17: Expected ';' after this.
typedef F<Glib.=
                ^...

beginCompilationUnit(typedef)
  beginMetadataStar(typedef)
  endMetadataStar(0)
  beginUncategorizedTopLevelDeclaration(typedef)
    beginFunctionTypeAlias(typedef)
      handleIdentifier(F, typedefDeclaration)
      beginTypeVariables(<)
        beginMetadataStar(Glib)
        endMetadataStar(0)
        handleIdentifier(Glib, typeVariableDeclaration)
        beginTypeVariable(Glib)
          handleTypeVariablesDefined(Glib, 1)
          handleNoType(Glib)
        endTypeVariable(., 0, null, null)
        handleRecoverableError(Message[ExpectedAfterButGot, Expected '>' after this., null, {string: >}], Glib, Glib)
      endTypeVariables(<, >)
      handleRecoverableError(Message[ExpectedType, Expected a type, but got ''., null, {token: }], , )
      handleIdentifier(, typeReference)
      handleNoTypeArguments()
      handleType(, null)
      handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], , )
    endFunctionTypeAlias(typedef, =, ;)
  endTopLevelDeclaration()
endCompilationUnit(1, )