rust/src/test/ui/mir/issue-77359-simplify-arm-identity-.rs
Wesley Wiser f9d7720be7 Disable the SimplifyArmIdentity mir-opt
The optimization still has some bugs that need to be worked out
such as #77359.

We can try re-enabling this again after the known issues are resolved.
2020-10-01 20:29:53 -04:00

36 lines
651 B
Rust

// run-pass
#![allow(dead_code)]
#[derive(Debug)]
enum MyEnum {
Variant1(Vec<u8>),
Variant2,
Variant3,
Variant4,
}
fn f(arg1: &bool, arg2: &bool, arg3: bool) -> MyStruct {
if *arg1 {
println!("{:?}", f(&arg2, arg2, arg3));
MyStruct(None)
} else {
match if arg3 { Some(MyEnum::Variant3) } else { None } {
Some(t) => {
let ah = t;
return MyStruct(Some(ah));
}
_ => MyStruct(None)
}
}
}
#[derive(Debug)]
struct MyStruct(Option<MyEnum>);
fn main() {
let arg1 = true;
let arg2 = false;
f(&arg1, &arg2, true);
}