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-rw-r--r--src/cmd/internal/gc/go.y2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/internal/gc/go.y b/src/cmd/internal/gc/go.y
index 90384499fd..53aec54e4a 100644
--- a/src/cmd/internal/gc/go.y
+++ b/src/cmd/internal/gc/go.y
@@ -449,7 +449,7 @@ simple_stmt:
if $1.Next != nil {
Yyerror("argument count mismatch: %d = %d", count($1), 1);
} else if ($1.N.Op != ONAME && $1.N.Op != OTYPE && $1.N.Op != ONONAME) || isblank($1.N) {
- Yyerror("invalid variable name %nil in type switch", $1.N);
+ Yyerror("invalid variable name %s in type switch", Nconv($1.N, 0));
} else {
$$.Left = dclname($1.N.Sym);
} // it's a colas, so must not re-use an oldname.