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authorGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-21 14:34:12 +0200
committerGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-22 14:28:48 +0200
commita27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch)
treeb033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/noalias-refcell.rs
parented93c1783b404d728d4809973a0550eb33cd293f (diff)
downloadrust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz
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Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/noalias-refcell.rs')
-rw-r--r--tests/codegen-llvm/noalias-refcell.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/codegen-llvm/noalias-refcell.rs b/tests/codegen-llvm/noalias-refcell.rs
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index 00000000000..b37adf92b9c
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+++ b/tests/codegen-llvm/noalias-refcell.rs
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+//@ compile-flags: -Copt-level=3 -C no-prepopulate-passes -Z mutable-noalias=yes
+
+#![crate_type = "lib"]
+
+use std::cell::{Ref, RefCell, RefMut};
+
+// Make sure that none of the arguments get a `noalias` attribute, because
+// the `RefCell` might alias writes after either `Ref`/`RefMut` is dropped.
+
+// CHECK-LABEL: @maybe_aliased(
+// CHECK-NOT: noalias
+// CHECK-SAME: %_refcell
+#[no_mangle]
+pub unsafe fn maybe_aliased(_: Ref<'_, i32>, _: RefMut<'_, i32>, _refcell: &RefCell<i32>) {}