Turn optimizations off for some object store tests under msvc and asa…

…n due to compilation time

test/object-store/CMakeLists.txt

@@ -88,6 +88,22 @@ set_target_resources(ObjectStoreTests "${RESOURCES}")
 if(MSVC)
     # increase the number of sections supported in an obj file for the heavily templated tests
     target_compile_options(ObjectStoreTests PRIVATE /bigobj)
+
+    # FIXME these files take abysmally long time to compile with asan and any level of optimization
+    if (REALM_ASAN AND NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+        set(LONG_COMPILING_FILES
+            c_api/c_api.cpp collection_change_indices.cpp dictionary.cpp list.cpp migrations.cpp object.cpp
+            primitive_list.cpp realm.cpp results.cpp sectioned_results.cpp set.cpp transaction_log_parsing.cpp
+        )
+        if (REALM_ENABLE_SYNC)
+            list(APPEND LONG_COMPILING_FILES
+                sync/client_reset.cpp
+                sync/remote_mongo_tests.cpp
+                sync/sync_manager.cpp
+            )
+        endif()
+        set_source_files_properties(${LONG_COMPILING_FILES} PROPERTIES COMPILE_FLAGS "/Od")
+    endif()
 endif()
 
 target_link_libraries(ObjectStoreTests Catch2::Catch2 ObjectStore RealmFFIStatic)