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// check-pass #![warn(unused_unsafe)] #![feature(inline_const_pat)] const unsafe fn require_unsafe() -> usize { 1 } fn main() { unsafe { match () { const { require_unsafe(); unsafe {} //~^ WARNING unnecessary `unsafe` block } => (), } match 1 { const { unsafe {} //~^ WARNING unnecessary `unsafe` block require_unsafe() }..=4 => (), _ => (), } } }