gccrs: attributes: Add #[derive] as a built-in attribute

gcc/rust/ChangeLog:

	* util/rust-attribute-values.h: Declare new attribute value.
	* util/rust-attributes.cc: Use it.

diff --git a/gcc/rust/util/rust-attribute-values.h b/gcc/rust/util/rust-attribute-values.h
index ef01e67dc528d707b2a4cfe8b6797aeaa2f1e6f8..9ef5cc52e81ae0f6f5495f198e1ebebdad9fda31 100644 (file)
--- a/gcc/rust/util/rust-attribute-values.h
+++ b/gcc/rust/util/rust-attribute-values.h
@@ -29,6 +29,7 @@ public:
   static constexpr auto &COLD = "cold";
   static constexpr auto &CFG = "cfg";
   static constexpr auto &CFG_ATTR = "cfg_attr";
+  static constexpr auto &DERIVE_ATTR = "derive";
   static constexpr auto &DEPRECATED = "deprecated";
   static constexpr auto &ALLOW = "allow";
   static constexpr auto &ALLOW_INTERNAL_UNSTABLE = "allow_internal_unstable";

diff --git a/gcc/rust/util/rust-attributes.cc b/gcc/rust/util/rust-attributes.cc
index 9f63234112c5b3a68ea32df6217931d02f25c054..03452c75bd8a4b9b777717a9c050a2f81c47b2f4 100644 (file)
--- a/gcc/rust/util/rust-attributes.cc
+++ b/gcc/rust/util/rust-attributes.cc
@@ -46,6 +46,7 @@ static const BuiltinAttrDefinition __definitions[]
      {Attrs::COLD, CODE_GENERATION},
      {Attrs::CFG, EXPANSION},
      {Attrs::CFG_ATTR, EXPANSION},
+     {Attrs::DERIVE_ATTR, EXPANSION},
      {Attrs::DEPRECATED, STATIC_ANALYSIS},
      {Attrs::ALLOW, STATIC_ANALYSIS},
      {Attrs::ALLOW_INTERNAL_UNSTABLE, STATIC_ANALYSIS},