Add two new tests related to may_dangle attribute

First test checks the may_dangle outer atttribute on generic params can be parsed. The second one tests whether may_dangle attributes are correctly feature gated. gcc/testsuite/ChangeLog: * rust/compile/dropck_eyepatch_feature_gate.rs: New test. * rust/compile/may_dangle.rs: New test. Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
Rust-GCC · Jun 11, 2024 · 14c4c2f · 14c4c2f
1 parent 85967c8
commit 14c4c2f
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diff --git a/gcc/testsuite/rust/compile/dropck_eyepatch_feature_gate.rs b/gcc/testsuite/rust/compile/dropck_eyepatch_feature_gate.rs
@@ -0,0 +1,8 @@
+// { dg-options "-frust-compile-until=lowering" }
+struct Test<T> {
+    _inner: T,
+}
+
+trait Action {}
+
+unsafe impl<#[may_dangle] T> Action for Test<T> {} //{ dg-error ".may_dangle. has unstable semantics and may be removed in the future." "" { target *-*-* }  }
diff --git a/gcc/testsuite/rust/compile/may_dangle.rs b/gcc/testsuite/rust/compile/may_dangle.rs
@@ -0,0 +1,10 @@
+// { dg-options "-fsyntax-only" }
+
+#![feature(dropck_eyepatch)]
+struct Test<T> {
+    _inner: T,
+}
+
+trait Action {}
+
+unsafe impl<#[may_dangle] T> Action for Test<T> {}