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)
  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, )