Add call frames to track offsets of values in the value stack.
Add call frames to track offsets of values in the value stack.

GBGamer/rust,graydon/rust,aidancully/rust,rust-lang/miri,graydon/rust,graydon/rust,rust-lang/miri,graydon/rust,GBGamer/rust,GBGamer/rust,rust-lang/miri,tsion/miri,GBGamer/rust,GBGamer/rust,graydon/rust,rust-lang/miri,graydon/rust,aidancully/rust,aidancully/rust,GBGamer/rust,aidancully/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust