Cannot pass non-trivial object of type 'xx' to variadic function - Rebuild of the Debian archive with clang

"Cannot pass non-trivial object of type 'xx' to variadic function" build failure(s)
clang 12.0.1

Versions: 2.9 - 3.0 - 3.1 - 3.2 - 3.3 - 3.4 - 3.4.2 - 3.5.0 - 3.6.0 - 3.8.1 - 3.9.1 - 4.0.1 - 5.0 - 6.0 - 8.0.1 - 9.0.1 - 10.0.0 - 11.0.0 - 12.0.1 - 13.0.0

Package	Version	Supposed error message	Full log
lomiri-api	0.1.1-4	GObjectMemory_test.cpp:232:38: error: cannot pass object of non-trivial type 'internal::GlibAssigner>>' through variadic function; call will abort at runtime [-Wnon-pod-varargs]	Log
packagesearch	2.7.11	main.cpp:45:30: error: cannot pass non-trivial object of type 'const QString' to variadic function; expected type from format string was 'char *' [-Wnon-pod-varargs]	Log
peony	3.2.3-1	peony-json-operation.cpp:51:49: error: cannot pass non-trivial object of type 'QString' to variadic method; expected type from format string was 'char *' [-Wnon-pod-varargs]	Log

3 errors

Debian Package rebuild