Evaluate unevaluated MIR constants in codegen_mir
Evaluate unevaluated MIR constants in codegen_mir

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust