
UBSAN on Clang/Linux gave: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:43:45: note: nonnull attribute specified here
UBSAN on Clang/Linux gave: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:43:45: note: nonnull attribute specified here