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-rw-r--r--tests/ui/proc-macro/auxiliary/api/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/api/mod.rs b/tests/ui/proc-macro/auxiliary/api/mod.rs
index 739c25132..3bea5d757 100644
--- a/tests/ui/proc-macro/auxiliary/api/mod.rs
+++ b/tests/ui/proc-macro/auxiliary/api/mod.rs
@@ -4,6 +4,7 @@
#![crate_type = "proc-macro"]
#![crate_name = "proc_macro_api_tests"]
#![feature(proc_macro_span)]
+#![feature(proc_macro_byte_character)]
#![deny(dead_code)] // catch if a test function is never called
extern crate proc_macro;