When CONSTANTP is supplied an &environment object from the compiler macro it can determine forms involving MACROLET to be constant, but such forms are problematic for LOAD-TIME-VALUE and its null lexical environment execution requirements.
When CONSTANTP is supplied an &environment object from the compiler macro it can determine forms involving MACROLET to be constant, but such forms are problematic for LOAD-TIME-VALUE and its null lexical environment execution requirements.