[llvm] [LLVM][AsmParser] Add support for C style comments (PR #111554)

[Craig Topper via llvm-commits]

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@@ -262,6 +274,38 @@ void LLLexer::SkipLineComment() {
   }
 }
 
+/// SkipCComment - This skips C-style /**/ comments.  The only difference from C
+/// is that we allow nesting.
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topperc wrote:

This concept appears to have been copied from TGLexer.cpp

https://github.com/llvm/llvm-project/pull/111554