[llvm] [llvm-ml] Add MASM unwind v3 support for x64 exception handling and improve MSVC compat (PR #202809)

[Jaydeep Chauhan via llvm-commits]

================
@@ -49,7 +49,17 @@ class COFFMasmParser : public MCAsmParserExtension {
   bool parseDirectiveAlias(StringRef, SMLoc);
 
   bool parseSEHDirectiveAllocStack(StringRef, SMLoc);
+  bool parseSEHDirectiveFreeStack(StringRef, SMLoc);
   bool parseSEHDirectiveEndProlog(StringRef, SMLoc);
+  bool ParseSEHDirectiveBeginEpilog(StringRef, SMLoc);
+  bool ParseSEHDirectiveEndEpilog(StringRef, SMLoc);
----------------
JaydeepChauhan14 wrote:

Function name should start with small case?

https://github.com/llvm/llvm-project/pull/202809