[clang-tools-extra] [clangd] Support .clangd command line modifications for C++ modules (PR #122606)

[kadir çetinkaya via cfe-commits]

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@@ -48,7 +51,8 @@ class ModuleDependencyScanner {
   };
 
   /// Scanning the single file specified by \param FilePath.
-  std::optional<ModuleDependencyInfo> scan(PathRef FilePath);
+  std::optional<ModuleDependencyInfo> scan(PathRef FilePath,
+                                           CommandProvider const &Provider);
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kadircet wrote:

we don't really use east-const in clangd related code

https://github.com/llvm/llvm-project/pull/122606