new smatch

@@ -396,11 +396,11 @@
                 return 0;
         sym = get_base_type(sym);
         if (!sym || sym->type != SYM_FN)
                 return 0;
         sym = get_base_type(sym);
-        if (sym->type == SYM_PTR)
+        if (sym && sym->type == SYM_PTR)
                 return 1;
         return 0;
 }
 
 sval_t sval_type_max(struct symbol *base_type)

@@ -494,24 +494,20 @@
 free:
         free_string(name);
         return ret;
 }
 
-int is_local_variable(struct expression *expr)
+bool is_local_variable(struct expression *expr)
 {
         struct symbol *sym;
-        char *name;
 
-        name = expr_to_var_sym(expr, &sym);
-        free_string(name);
-        if (!sym || !sym->scope || !sym->scope->token || !cur_func_sym)
-                return 0;
-        if (cmp_pos(sym->scope->token->pos, cur_func_sym->pos) < 0)
-                return 0;
-        if (is_static(expr))
-                return 0;
-        return 1;
+        if (!expr || expr->type != EXPR_SYMBOL || !expr->symbol)
+                return false;
+        sym = expr->symbol;
+        if (!(sym->ctype.modifiers & MOD_TOPLEVEL))
+                return true;
+        return false;
 }
 
 int types_equiv(struct symbol *one, struct symbol *two)
 {
         if (!one && !two)