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

[Snehasish Kumar via llvm-commits]

================
@@ -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
----------------
snehasish wrote:

Done. Forked the existing basic test to a basic_v4 test like we have for v3.

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