another nil reference

R=rsc
OCL=31373
CL=31373

diff --git a/src/cmd/gc/dcl.c b/src/cmd/gc/dcl.c
index 4a1dfa1c1b36eb43d260c7be0eafc01d7fb64efa..4c085c82f9b9ac49ce38989c79cd7aed4ba6bc0f 100644 (file)
--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -107,6 +107,8 @@ updatetype(Type *n, Type *t)
        int local, vargen;
        int maplineno, lno, etype;
 
+       if(t == T)
+               return;
        s = n->sym;
        if(s == S || s->def == N || s->def->op != OTYPE || s->def->type != n)
                fatal("updatetype %T = %T", n, t);