
The problem can occur if one of the arguments is NULL. Test argument and fix assertion. (cherry picked from commit 3d7c1dbd5901300d0ad7db6653e8008aa54ab89c)
The problem can occur if one of the arguments is NULL. Test argument and fix assertion. (cherry picked from commit 3d7c1dbd5901300d0ad7db6653e8008aa54ab89c)