Guillaume Gomez 4d141f5e4c Rollup merge of #87027 - petrochenkov:builderhelp, r=oli-obk ... expand: Support helper attributes for built-in derive macros This is needed for https://github.com/rust-lang/rust/pull/86735 (derive macro `Default` should have a helper attribute `default`). With this PR we can specify helper attributes for built-in derives using syntax `#[rustc_builtin_macro(MacroName, attributes(attr1, attr2, ...))]` which mirrors equivalent syntax for proc macros `#[proc_macro_derive(MacroName, attributes(attr1, attr2, ...))]`. Otherwise expansion infra was already ready for this. The attribute parsing code is shared between proc macro derives and built-in macros (`fn parse_macro_name_and_helper_attrs`).		2021-07-14 19:53:35 +02:00
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src	Rollup merge of #87027 - petrochenkov:builderhelp, r=oli-obk	2021-07-14 19:53:35 +02:00
Cargo.toml	bumped smallvec deps	2021-02-14 18:03:11 +03:00