Recognize unstable as a builtin attribute

gcc/rust/ChangeLog: * util/rust-attribute-values.h (Attributes::UNSTABLE): New. * util/rust-attributes.cc (__definitions): Add Attributes::UNSTABLE. gcc/testsuite/ChangeLog: * rust/compile/unstable-fn.rs: New test. Signed-off-by: Owen Avery <[email protected]>
CohenArthur · Mar 27, 2024 · fd621e1 · fd621e1
1 parent 581c430
commit fd621e1
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/gcc/rust/util/rust-attribute-values.h b/gcc/rust/util/rust-attribute-values.h
@@ -52,6 +52,7 @@ class Attributes
   static constexpr auto &RUSTC_INHERIT_OVERFLOW_CHECKS
     = "rustc_inherit_overflow_checks";
   static constexpr auto &STABLE = "stable";
+  static constexpr auto &UNSTABLE = "unstable";
 };
 } // namespace Values
 } // namespace Rust

diff --git a/gcc/rust/util/rust-attributes.cc b/gcc/rust/util/rust-attributes.cc
@@ -60,7 +60,8 @@ static const BuiltinAttrDefinition __definitions[]
      // #![feature(rustc_attrs)]
      {Attrs::RUSTC_DEPRECATED, STATIC_ANALYSIS},
      {Attrs::RUSTC_INHERIT_OVERFLOW_CHECKS, CODE_GENERATION},
-     {Attrs::STABLE, STATIC_ANALYSIS}};
+     {Attrs::STABLE, STATIC_ANALYSIS},
+     {Attrs::UNSTABLE, STATIC_ANALYSIS}};
 
 BuiltinAttributeMappings *
 BuiltinAttributeMappings::get ()

diff --git a/gcc/testsuite/rust/compile/unstable-fn.rs b/gcc/testsuite/rust/compile/unstable-fn.rs
@@ -0,0 +1,2 @@
+#[unstable(feature = "some_feature", issue = "12345")]
+pub fn foo() {}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		#[unstable(feature = "some_feature", issue = "12345")]
		pub fn foo() {}