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add FIXME for default_boxed_slice.rs

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This commit is contained in:
sfzhu93 2024-01-14 22:35:00 -08:00
parent cd77d59f97
commit 5747eceef8
1 changed files with 6 additions and 3 deletions
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9
tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs
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@ -4,6 +4,8 @@
// 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]>,
}
@ -14,13 +16,14 @@ struct A {
// CHECK-LABEL: fn main(
fn main() {
// ConstProp will create a constant of type `Box<[bool]>`.
// FIXME: it is not yet a constant.
// Verify that `DataflowConstProp` does not ICE trying to dereference it directly.
// CHECK: debug a => [[a:_.*]];
// We may check other inlined functions as well...
// CHECK: [[box_obj:_.*]] = Box::<[bool]>(_3, const std::alloc::Global);
// CHECK: [[a]] = A { foo: move [[box_obj]] };
// FIXME: we do not have `const Box::<[bool]>` after constprop right now.
// CHECK-LABEL: _.* = Box::<[bool]>(
// FIXME: should be `_.* = const Box::<[bool]>`
let a: A = A { foo: Box::default() };
}