[clang] [llvm] [Coverage] Make additional counters available for BranchRegion. NFC. (PR #120930)

[NAKAMURA Takumi via cfe-commits]

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@@ -1627,14 +1627,31 @@ class CodeGenFunction : public CodeGenTypeCache {
   }
   void markStmtMaybeUsed(const Stmt *S) { PGO.markStmtMaybeUsed(S); }
 
+  enum CounterForIncrement {
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chapuni wrote:

Done.

https://github.com/llvm/llvm-project/pull/120930