From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../issue-43106-gating-of-proc_macro_derive.rs | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/test/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs (limited to 'src/test/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs') diff --git a/src/test/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs b/src/test/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs new file mode 100644 index 000000000..a94ffd602 --- /dev/null +++ b/src/test/ui/feature-gates/issue-43106-gating-of-proc_macro_derive.rs @@ -0,0 +1,34 @@ +// At time of authorship, #[proc_macro_derive = "2500"] will emit an +// error when it occurs on a mod (apart from crate-level), but will +// not descend further into the mod for other occurrences of the same +// error. +// +// This file sits on its own because the "weird" occurrences here +// signal errors, making it incompatible with the "warnings only" +// nature of issue-43106-gating-of-builtin-attrs.rs + +#[proc_macro_derive()] +//~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions +mod proc_macro_derive1 { + mod inner { #![proc_macro_derive()] } + // (no error issued here if there was one on outer module) +} + +mod proc_macro_derive2 { + mod inner { #![proc_macro_derive()] } + //~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions + + #[proc_macro_derive()] fn f() { } + //~^ ERROR the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` + + #[proc_macro_derive()] struct S; + //~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions + + #[proc_macro_derive()] type T = S; + //~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions + + #[proc_macro_derive()] impl S { } + //~^ ERROR the `#[proc_macro_derive]` attribute may only be used on bare functions +} + +fn main() {} -- cgit v1.2.3