[clang] [clang-tools-extra] [clangd] Update clangDaemonTweaks to set symbol visibility macros (PR #112304)

[Saleem Abdulrasool via cfe-commits]

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@@ -114,7 +114,7 @@ macro(add_clang_library name)
     if(TARGET "obj.${name}")
       target_compile_definitions("obj.${name}" PUBLIC CLANG_BUILD_STATIC)
     endif()
-  elseif(NOT ARG_SHARED AND NOT ARG_STATIC)
+  elseif(NOT ARG_SHARED AND NOT ARG_STATIC AND NOT ARG_CLANG_IMPORT)
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compnerd wrote:

This seems like it would change the behaviour of other libraries which were previously being built for shared linking (or at least were exporting their interfaces) to now be built for static linking (or no longer export their symbols).

https://github.com/llvm/llvm-project/pull/112304