rust/tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs
2024-03-22 20:14:39 -04:00

26 lines
764 B
Rust

//@ unit-test: DataflowConstProp
//@ compile-flags: -Zmir-enable-passes=+GVN,+Inline
// EMIT_MIR_FOR_EACH_BIT_WIDTH
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// This test is to check ICE in issue [#115789](https://github.com/rust-lang/rust/issues/115789).
struct A {
foo: Box<[bool]>,
}
// EMIT_MIR default_boxed_slice.main.GVN.diff
// EMIT_MIR default_boxed_slice.main.DataflowConstProp.diff
// CHECK-LABEL: fn main(
fn main() {
// ConstProp will create a constant of type `Box<[bool]>`.
// Verify that `DataflowConstProp` does not ICE trying to dereference it directly.
// CHECK: debug a => [[a:_.*]];
// We may check other inlined functions as well...
// CHECK: {{_.*}} = const Box::<[bool]>(
let a: A = A { foo: Box::default() };
}