Luca

unresolved extern crate on rustc_* crates

3

### Check for existing issues - [X] Completed ### Describe the bug / provide steps to reproduce it added this to the cargo.toml and tried to use same setup for...

instead of using the [simple diff algorithm](https://github.com/Manishearth/compiletest-rs/blob/master/src/uidiff.rs) in the code, allow users to switch to some external tool like diff or [delta](https://github.com/dandavison/delta)

add cargo bless functionalty

16

I have been using `dylint` quite a lot, the `cargo bless` functionality would save so much repetitive work copying and pasting.

integrate `builder.ensure` into `prepare_tool_cargo`

3

integrate `builder.ensure` into `prepare_tool_cargo` function from https://github.com/rust-lang/rust/issues/128012

for big endian types use fallback

2

NEON intrinsics are not supported on big endian targets. Change to use fall back types for big endian aarch64. tested on `aarch64_be-unknown-linux-gnu_ilp32` and `aarch64_be-unknown-linux-gnu`

### **Proposal** --- ## **Problem Statement** Currently, proc-macros that handle string literals receive raw strings with escape sequences and surrounding quotes. For example: ```rust #[my_macro] #[my_attr("\u{x78} blabla")] pub struct B;...