added 3 more test

test/val/cc65141002.c

@@ -0,0 +1,45 @@
+
+/*
+  !!DESCRIPTION!! forgetting to emit labels
+  !!ORIGIN!!      Testsuite
+  !!LICENCE!!     Public Domain
+*/
+
+/*
+    http://www.cc65.org/mailarchive/2014-10/11673.html
+    http://www.cc65.org/mailarchive/2014-10/11675.html
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+struct udata {
+        int     (*u_sigvec[16])();
+        int     u_argn;
+        int     u_argn1;
+};
+
+struct udata udata;
+
+#define sig (int)udata.u_argn
+#define func (int (*)())udata.u_argn1
+
+int _signal(void)
+{
+        if (func != 0) {
+                goto nogood;
+        }
+        udata.u_sigvec[sig] = func;
+        return 0;
+
+nogood:
+        return (-1);
+}
+
+int main(int n,char **args)
+{
+    _signal();
+    printf("it works\n");
+
+    return 0;
+}