[clang] [clang-tools-extra] [llvm] [clangd] introduce doxygen parser (PR #150790)

[Maksim Ivanov via llvm-commits]

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@@ -384,6 +400,11 @@ class InlineCommandComment : public InlineContentComment {
   SourceRange getArgRange(unsigned Idx) const {
     return Args[Idx].Range;
   }
+
+  CommandMarkerKind getCommandMarker() const LLVM_READONLY {
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emaxx-google wrote:

At least GCC docs say: `The pure attribute imposes similar but looser restrictions on a function’s definition than the const attribute <...> Declaring the same function with both the pure and the const attribute is diagnosed.` https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-pure-function-attribute

https://github.com/llvm/llvm-project/pull/150790