diff --git a/src/cmd/compile/internal/gc/syntax.go b/src/cmd/compile/internal/gc/syntax.go
index ace6914..7f03a4e 100644
--- a/src/cmd/compile/internal/gc/syntax.go
+++ b/src/cmd/compile/internal/gc/syntax.go
@@ -169,6 +169,7 @@
 
 	Endlineno int32
 
+	Norace         bool // func must not have race detector annotations
 	Nosplit        bool // func should not execute on separate stack
 	Nowritebarrier bool // emit compiler error instead of write barrier
 	Dupok          bool // duplicate definitions ok