[llvm] [MC/DC] Refactor: Isolate the final result out of TestVectors (PR #82282)

[NAKAMURA Takumi via llvm-commits]

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@@ -258,6 +258,12 @@ class MCDCRecordProcessor {
   /// ExecutedTestVectorBitmap.
   MCDCRecord::TestVectors ExecVectors;
 
+  /// Temporary use
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chapuni wrote:

I've modified for `ExecVectorsByCond[0]` as the storage of the final `ExecVectors`.

https://github.com/llvm/llvm-project/pull/82282