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Avoid initiliazers in functions

--- a/cc1/expr.c

+++ b/cc1/expr.c

@@ -985,7 +985,19 @@

 {

 	Node *np;

 	Type *tp = sym->type;

-	int flags = sym->flags;

+	int flags = sym->flags, scalar;

+

+	switch (tp->op) {

+	case FTN:

+		error("function '%s' is initialized like a variable", sym->name);

+	case PTR:

+	case INT:

+		scalar = 1;

+		break;

+	default:

+		scalar = 0;

+		break;

+	}

 	if (accept('{')) {

 		do {