[compiler-rt] [llvm] [MemProf] Change histogram storage from uint64_t to uint16_t (PR #147854)

[Teresa Johnson via llvm-commits]

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@@ -8,7 +8,7 @@ additional allocations which do not originate from the main binary are pruned.
 
 CHECK:  MemprofProfile:
 CHECK-NEXT:   Summary:
-CHECK-NEXT:     Version: 4
+CHECK-NEXT:     Version: 5
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teresajohnson wrote:

Do we still have any v4 tests? Updating these other tests seems fine but would be good to make sure we still have one for the old version(s)

https://github.com/llvm/llvm-project/pull/147854