[llvm] [SampleFDO][TypeProf]Support vtable type profiling for ext-binary and text format (PR #148002)

[Snehasish Kumar via llvm-commits]

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@@ -727,6 +735,10 @@ class LLVM_ABI SampleProfileReaderBinary : public SampleProfileReader {
   /// to the start of MD5SampleContextTable.
   const uint64_t *MD5SampleContextStart = nullptr;
 
+  /// If true, the profile has vtable profiles and reader should decode them
+  /// to parse profiles correctly.
+  bool ReadVTableProf = false;
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snehasish wrote:

Can we move this up to L590 where all the option vars are?

https://github.com/llvm/llvm-project/pull/148002