segfault

R=rsc OCL=31467 CL=31467

segfault
R=rsc OCL=31467 CL=31467
ed124a97 · Ken Thompson · f7ac3136 · ed124a97
Commit ed124a97 authored Jul 10, 2009 by Ken Thompson
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dcl.c src/cmd/gc/dcl.c +2 -1

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--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -1204,7 +1204,8 @@ oldname(Sym *s)
 			c->outer = n->closure;
 			n->closure = c;
 			c->closure = n;
-			funclit->cvars = list(c, funclit->cvars);
+			if(funclit != N)
+				funclit->cvars = list(c, funclit->cvars);
 		}
 		// return ref to closure var, not original
 		return n->closure;