cmd/gc: show duplicate key in error

R=ken2 CC=golang-dev https://golang.org/cl/5728064

cmd/gc: show duplicate key in error
R=ken2 CC=golang-dev https://golang.org/cl/5728064
5ab9d2be · Russ Cox · 1b311776 · 5ab9d2be
Commit 5ab9d2be authored Mar 05, 2012 by Russ Cox
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typecheck.c src/cmd/gc/typecheck.c +1 -1

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--- a/src/cmd/gc/typecheck.c
+++ b/src/cmd/gc/typecheck.c
@@ -1964,7 +1964,7 @@ keydup(Node *n, Node *hash[], ulong nhash)
 		b = cmp.val.u.bval;
 		if(b) {
 			// too lazy to print the literal
-			yyerror("duplicate key in map literal");
+			yyerror("duplicate key %N in map literal", n);
 			return;
 		}
 	}