Merge pull request ClickHouse#80137 from rschu1ze/quantile-bfloat16-ubsan

Fix ubsan issue in quantileBFloat16

Author: rschu1ze

src/AggregateFunctions/QuantileBFloat16Histogram.h

@@ -115,13 +115,13 @@ struct QuantileBFloat16Histogram
     using Pair = PairNoInit<Float32, Weight>;
 
     template <typename T>
-    static inline T safeCast(Float32 x)
+    static T safeCast(Float32 x)
     {
         if constexpr (!std::is_floating_point_v<T>)
         {
-            if (unlikely(x > std::numeric_limits<T>::max()))
+            if (x >= std::numeric_limits<T>::max()) [[unlikely]]
                 return std::numeric_limits<T>::max();
-            if (unlikely(x < std::numeric_limits<T>::min()))
+            if (x <= std::numeric_limits<T>::min()) [[unlikely]]
                 return std::numeric_limits<T>::min();
         }
         return static_cast<T>(x);

tests/queries/0_stateless/03315_quantile_bfloat16_ubsan.reference

@@ -1 +1,2 @@
 2105-07-28 04:08:00
+2105-07-28 04:08:00

tests/queries/0_stateless/03315_quantile_bfloat16_ubsan.sql

@@ -1 +1,2 @@
 SELECT quantileBFloat16('2106-02-07 06:28:14'::DateTime('Europe/Amsterdam'));
+SELECT quantileBFloat16('2106-02-07 06:28:15'::DateTime('Europe/Amsterdam'));