granite-rust/compiler/rustc_middle
Jordan McQueen 38f090b5e9 Use span_bug for unexpected field projection type
Improves the compiler error backtrace information, as shown in #99363,
by using `span_bug` instead of `bug`.

New output:

```
build/aarch64-apple-darwin/stage1/bin/rustc /tmp/test.rs --edition=2021
error: internal compiler error: compiler/rustc_middle/src/ty/closure.rs:185:25: Unexpected type Opaque(DefId(0:5 ~ test[db0f]::main::T::{opaque#0}), []) for `Field` projection
  --> /tmp/test.rs:11:27
   |
11 |         let Foo((a, b)) = foo;
   |                           ^^^

thread 'rustc' panicked at 'Box<dyn Any>', /Users/jmq/src/forked/rust/compiler/rustc_errors/src/lib.rs:1331:9
stack backtrace:
```

(Remainder of output truncated.)
2022-07-18 16:24:08 +09:00
..
benches mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
src Use span_bug for unexpected field projection type 2022-07-18 16:24:08 +09:00
Cargo.toml Update smallvec to 1.8.1. 2022-06-27 08:48:55 +10:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

For more information about how rustc works, see the rustc dev guide.