avoid ASAN issue

apache · Sep 30, 2024 · b110605 · b110605
1 parent 48639e3
commit b110605
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/src/arrow/util/decimal.cc b/cpp/src/arrow/util/decimal.cc
@@ -313,7 +313,7 @@ struct Decimal64RealConversion
     int64_t result = x.value();
     uint64_t shifted = 0;
     if (bits > 0) {
-      shifted = (result << (64 - bits));
+      shifted = (static_cast<uint64_t>(result) << (64 - bits));
       result >>= bits;
     }
     constexpr uint64_t kHalf = 0x8000000000000000ULL;