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// Regression test for the ICE described in #88643. Specifically:
// https://github.com/rust-lang/rust/issues/88643#issuecomment-913128893
// and https://github.com/rust-lang/rust/issues/88643#issuecomment-913171935
// and https://github.com/rust-lang/rust/issues/88643#issuecomment-913765984
use std::collections::HashMap;
pub trait T {}
static CALLBACKS: HashMap<*const dyn T, dyn FnMut(&mut _) + 'static> = HashMap::new();
//~^ ERROR: the placeholder `_` is not allowed within types on item signatures for static items [E0121]
static CALLBACKS2: Vec<dyn Fn(& _)> = Vec::new();
//~^ ERROR: the placeholder `_` is not allowed within types on item signatures for static items [E0121]
static CALLBACKS3: Option<dyn Fn(& _)> = None;
//~^ ERROR: the placeholder `_` is not allowed within types on item signatures for static items [E0121]
fn main() {}
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