Added testcase for between-blocks gotos.

Deleted old testcase.

test/ref/goto.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+
+int main () {
+    char a[200] = "xyz";
+    int  ctr    = 0;
+start:
+    a[ctr] = ctr + 65;
+    goto second;
+
+    {
+        char b[64] = "xxx";
+    first:
+        b[0] = ctr + 97;
+        goto safe;
+        b[0] = 'Z';
+    safe:
+        printf ("%c%c", a[0], b[0]);
+        if (ctr++ > 20)
+            goto end;
+        else
+            goto second;
+    }
+    {
+        char c[100] = "aaa";
+    second:;
+        c[0]  = '1';
+        c[99] = '2';
+        goto first;
+    }
+end:
+    a[ctr] = '\n';
+    printf ("\n%s\n", a);
+
+    return 0;
+}