llvm/mlir/test/tblgen-lsp-server/exit-eof.test

// RUN: not tblgen-lsp-server < %s 2> %t.err
// RUN: FileCheck %s < %t.err
//
// No LSP messages here, just let tblgen-lsp-server see the end-of-file
// CHECK: Transport error:
// (Typically "Transport error: Input/output error" but platform-dependent).