cland core dump when use #define XXX_BEGIN(ns) namespace ns {

PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. K:\Server\common\jcbase\jc/fsm/fsm.h:289:2: current parser token ';'
1. K:\Server\common\jcbase\jc/fsm/fsm.h:25:1 : parsing namespace 'jc'
[Info - 5:35:57 PM] Connection to server got closed. Server will restart.

the content in onfig.h:

Start with the crash location in fsm.h:289 and the macro spelling referenced at onfig.h:5, using the reported namespace macro form as the reproduction case. The issue needs a complete reproducer, tool version, and crash backtrace before the failure can be investigated; done means reproducing the clangd crash and documenting or testing its resolution.

Written by the indexing model from the issue text.