Problems reported:

parser/error_recovery/issue_39058_prime.crash:1:1: Expected a declaration, but got '{'.
{<[]()>}
^

beginCompilationUnit({)
  beginMetadataStar({)
  endMetadataStar(0)
  beginTopLevelMember({)
    handleRecoverableError(Message[ExpectedDeclaration, Expected a declaration, but got '{'., null, {token: {}], {, {)
    beginBlock({, BlockKind(invalid))
      beginTypeArguments(<)
        handleIdentifier(, typeReference)
        handleNoTypeArguments([])
        handleType(, null)
      endTypeArguments(1, <, >)
      handleLiteralList(0, [, null, ])
      handleExpressionStatement(;)
    endBlock(1, {, }, BlockKind(invalid))
    handleInvalidTopLevelBlock({)
    handleInvalidTopLevelDeclaration(})
  endTopLevelDeclaration()
endCompilationUnit(1, )