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-rw-r--r--src/libsyntax/feature_gate.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 30137439e77..27af8fc4175 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -409,7 +409,7 @@ declare_features! (
     (active, underscore_imports, "1.26.0", Some(48216), None),
 
     // Allows keywords to be escaped for use as identifiers
-    (active, raw_identifiers, "1.26.0", Some(48589), None),
+    (active, raw_identifiers, "1.26.0", Some(48589), Some(Edition::Edition2018)),
 
     // Allows macro invocations in `extern {}` blocks
     (active, macros_in_extern, "1.27.0", Some(49476), None),