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Add a codegen test to confirm this fixes 106369

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This commit is contained in:
Scott McMurray 2023-03-12 12:57:40 -07:00
parent b2c717fa33
commit 0b96fee343
1 changed files with 15 additions and 0 deletions
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tests/codegen/issues/issue-106369.rs Normal file
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// compile-flags: -O
// ignore-debug (the extra assertions get in the way)
#![crate_type = "lib"]
// From <https://github.com/rust-lang/rust/issues/106369#issuecomment-1369095304>
// CHECK-LABEL: @issue_106369(
#[no_mangle]
pub unsafe fn issue_106369(ptr: *const &i32) -> bool {
// CHECK-NOT: icmp
// CHECK: ret i1 true
// CHECK-NOT: icmp
Some(std::ptr::read(ptr)).is_some()
}