diff --git a/tests/mir-opt/building/eq_never_type._f.built.after.mir b/tests/mir-opt/building/eq_never_type._f.built.after.mir new file mode 100644 index 00000000000..29e93a29aab --- /dev/null +++ b/tests/mir-opt/building/eq_never_type._f.built.after.mir @@ -0,0 +1,53 @@ +// MIR for `_f` after built + +fn _f(_1: !, _2: !) -> () { + debug a => _1; + debug b => _2; + let mut _0: (); + let mut _3: !; + let _4: bool; + let mut _5: (); + let mut _6: !; + let mut _7: &(); + let _8: (); + let mut _9: !; + + bb0: { + StorageLive(_4); + StorageLive(_5); + StorageLive(_6); + _6 = _1; + unreachable; + } + + bb1: { + StorageDead(_6); + StorageLive(_7); + StorageLive(_8); + StorageLive(_9); + _9 = _2; + unreachable; + } + + bb2: { + _7 = &_8; + StorageDead(_9); + _4 = <() as PartialEq>::eq(move _5, move _7) -> [return: bb3, unwind: bb5]; + } + + bb3: { + StorageDead(_7); + StorageDead(_5); + StorageDead(_8); + StorageDead(_4); + unreachable; + } + + bb4: { + return; + } + + bb5 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/eq_never_type.rs b/tests/mir-opt/building/eq_never_type.rs new file mode 100644 index 00000000000..90e2e697535 --- /dev/null +++ b/tests/mir-opt/building/eq_never_type.rs @@ -0,0 +1,13 @@ +// skip-filecheck +#![feature(never_type)] +#![allow(unreachable_code)] + +// EMIT_MIR eq_never_type._f.built.after.mir +fn _f(a: !, b: !) { + // Both arguments must be references (i.e. == should auto-borrow/coerce-to-ref both arguments) + // (this previously was buggy due to `NeverToAny` coercion incorrectly throwing out other + // coercions) + a == b; +} + +fn main() {}