JackN

Probably worth splitting this into two different issues???

@thejpster Can you please confirm for me what version of `cortex-m-rt` you are using? Release 7.2 introduced the `global_asm` stuff, which actually overwrites the EXC_RETURN magic values that are set...

@thejpster I just looked at this again, and am confident that it is related to [this new issue I logged](https://github.com/rust-embedded/cortex-m/issues/514). The unreleased code for `cortex-m-rt` has a workaround (I describe...

@thejpster Thank you for taking the time to clarify. I think we have a couple of things going on here, so we may have to pull it apart. 1. "an...