[llvm] [memprof] Add MemProf version (PR #86414)

[Teresa Johnson via llvm-commits]

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@@ -15,6 +15,15 @@
 namespace llvm {
 namespace memprof {
 
+// The versions of the indexed MemProf format
+enum MemProfVersion {
+  // Version 0: This version didn't have a version field have a version in the
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teresajohnson wrote:

Some extra words here ("have a version field have a version")

https://github.com/llvm/llvm-project/pull/86414