Support allocation failures when interperting MIR
Support allocation failures when interperting MIR

Note that this breaks Miri.

Closes #79601

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