From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../conditional-compilation/cfg-generic-params.rs | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tests/ui/conditional-compilation/cfg-generic-params.rs (limited to 'tests/ui/conditional-compilation/cfg-generic-params.rs') diff --git a/tests/ui/conditional-compilation/cfg-generic-params.rs b/tests/ui/conditional-compilation/cfg-generic-params.rs new file mode 100644 index 000000000..53aa35563 --- /dev/null +++ b/tests/ui/conditional-compilation/cfg-generic-params.rs @@ -0,0 +1,40 @@ +// compile-flags:--cfg yes + +fn f_lt<#[cfg(yes)] 'a: 'a, #[cfg(no)] T>() {} +fn f_ty<#[cfg(no)] 'a: 'a, #[cfg(yes)] T>() {} + +type FnGood = for<#[cfg(yes)] 'a, #[cfg(no)] T> fn(); // OK +type FnBad = for<#[cfg(no)] 'a, #[cfg(yes)] T> fn(); +//~^ ERROR only lifetime parameters can be used in this context + +type PolyGood = dyn for<#[cfg(yes)] 'a, #[cfg(no)] T> Copy; // OK +type PolyBad = dyn for<#[cfg(no)] 'a, #[cfg(yes)] T> Copy; +//~^ ERROR only lifetime parameters can be used in this context + +struct WhereGood where for<#[cfg(yes)] 'a, #[cfg(no)] T> u8: Copy; // OK +struct WhereBad where for<#[cfg(no)] 'a, #[cfg(yes)] T> u8: Copy; +//~^ ERROR only lifetime parameters can be used in this context + +fn f_lt_no<#[cfg_attr(no, unknown)] 'a>() {} // OK +fn f_lt_yes<#[cfg_attr(yes, unknown)] 'a>() {} +//~^ ERROR cannot find attribute `unknown` in this scope +fn f_ty_no<#[cfg_attr(no, unknown)] T>() {} // OK +fn f_ty_yes<#[cfg_attr(yes, unknown)] T>() {} +//~^ ERROR cannot find attribute `unknown` in this scope + +type FnNo = for<#[cfg_attr(no, unknown)] 'a> fn(); // OK +type FnYes = for<#[cfg_attr(yes, unknown)] 'a> fn(); +//~^ ERROR cannot find attribute `unknown` in this scope + +type PolyNo = dyn for<#[cfg_attr(no, unknown)] 'a> Copy; // OK +type PolyYes = dyn for<#[cfg_attr(yes, unknown)] 'a> Copy; +//~^ ERROR cannot find attribute `unknown` in this scope + +struct WhereNo where for<#[cfg_attr(no, unknown)] 'a> u8: Copy; // OK +struct WhereYes where for<#[cfg_attr(yes, unknown)] 'a> u8: Copy; +//~^ ERROR cannot find attribute `unknown` in this scope + +fn main() { + f_lt::<'static>(); + f_ty::(); +} -- cgit v1.2.3