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Diffstat (limited to 'src/libsyntax/ext/deriving/generic/mod.rs')
| -rw-r--r-- | src/libsyntax/ext/deriving/generic/mod.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsyntax/ext/deriving/generic/mod.rs b/src/libsyntax/ext/deriving/generic/mod.rs index a36d3a155b8..9cd965a8138 100644 --- a/src/libsyntax/ext/deriving/generic/mod.rs +++ b/src/libsyntax/ext/deriving/generic/mod.rs @@ -1216,7 +1216,8 @@ impl<'a> TraitDef<'a> { callee: codemap::NameAndSpan { name: format!("derive({})", trait_name), format: codemap::MacroAttribute, - span: Some(self.span) + span: Some(self.span), + allow_internal_unstable: false, } }); to_set |