Delay ICE in early_free_scope so feature gate has chance to stop compilation cleanly.
Delay ICE in early_free_scope so feature gate has chance to stop compilation cleanly.

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