Fix misaligned stores in buffer (#1063)

* Fix misaligned read/write to buffer

- causes undefined behavior

* Update run-ci.py

- fix spurious CDash submission failure warning

* Improve run-ci.py support for UBSan

* Relax rocprofv3 summary stats count expectation

* Update CHANGELOG

source/lib/tests/buffering/buffering-save-load.cpp

@@ -218,7 +218,7 @@ TEST(buffering, save_load)
 
     // verify the data, at a high-level is correct
     EXPECT_EQ(_buffer.size(), num_variants);
-    EXPECT_EQ(_buffer.count(), data_size);
+    EXPECT_GE(_buffer.count(), data_size);
     EXPECT_GE(_buffer.free(), 0);
     EXPECT_GE(_buffer.capacity(), data_size);
     EXPECT_FALSE(_buffer.is_empty());