[clang] [llvm] Add support for Windows hot-patching (PR #138972)

[via llvm-commits]

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@@ -176,6 +176,21 @@ class CallerSym : public SymbolRecord {
   uint32_t RecordOffset = 0;
 };
 
+class HotPatchFuncSym : public SymbolRecord {
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sivadeilra wrote:

Our hot-patch tools read PDBs and then generate metadata that is placed into the final DLL/SYS/EXE, into a COFF section that is reserved for this purpose.

https://github.com/llvm/llvm-project/pull/138972