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-rw-r--r--gcc/rust/util/rust-attributes.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/rust/util/rust-attributes.cc b/gcc/rust/util/rust-attributes.cc
index 6e6f48b..e727fbc 100644
--- a/gcc/rust/util/rust-attributes.cc
+++ b/gcc/rust/util/rust-attributes.cc
@@ -39,6 +39,7 @@ static const BuiltinAttrDefinition __definitions[]
{"link_section", CODE_GENERATION},
{"no_mangle", CODE_GENERATION},
{"repr", CODE_GENERATION},
+ {"rustc_builtin_macro", EXPANSION},
{"path", EXPANSION},
{"macro_use", NAME_RESOLUTION},
// FIXME: This is not implemented yet, see