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Rollup merge of #47307 - dlrobertson:fix_panic_strings, r=kennytm

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Fix panic strings.

 - Fix panic string in `check_ast_crate`.
 - Update panic string for Duration subtraction on overflow/underflow.

Not sure if the changes to `Duration` are helpful/needed. Mostly just a nit.
Otherwise this is just a one character change :)

On another note: I hit the panic in `check_ast_crate` when compiling
[m-labs/smoltcp] with the following:

```
cargo test --doc --no-default-features --features "std socket-raw"`
```

[m-labs/smoltcp]: https://github.com/m-labs/smoltcp
This commit is contained in:
kennytm 2018-01-13 02:26:33 +08:00 • committed by GitHub
commit 9bedbcc9bf
1 changed files with 1 additions and 1 deletions
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2
src/librustc/lint/context.rs
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@ -1046,7 +1046,7 @@ pub fn check_ast_crate(sess: &Session, krate: &ast::Crate) {
// calculated the lint levels for all AST nodes. // calculated the lint levels for all AST nodes.
for (_id, lints) in cx.buffered.map { for (_id, lints) in cx.buffered.map {
for early_lint in lints { for early_lint in lints {
span_bug!(early_lint.span, "failed to process bufferd lint here"); span_bug!(early_lint.span, "failed to process buffered lint here");
} }
} }
} }