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Auto merge of #84217 - crlf0710:remove_main_attr_pure, r=petrochenkov

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Remove #[main] attribute.

This removes the #[main] attribute support from the compiler according to the decisions within #29634. For existing use cases within test harness generation, replaced it with a newly-introduced internal attribute `#[rustc_main]`.

This is first part extracted from #84062 .

Closes #29634.

r? `@petrochenkov`
This commit is contained in:
bors 2021-04-16 08:01:45 +00:00
commit d4bc912c48
29 changed files with 59 additions and 214 deletions
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compiler/rustc_span/src/symbol.rs
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@ -1008,6 +1008,7 @@ symbols! {
rustc_layout_scalar_valid_range_start,
rustc_legacy_const_generics,
rustc_macro_transparency,
rustc_main,
rustc_mir,
rustc_nonnull_optimization_guaranteed,
rustc_object_lifetime_default,