massaged repro case from #2608 into a test

test/todo/bug2608.c

@@ -0,0 +1,40 @@
+
+/* bug #2608: "zp_bss" is placed in BSS and NOT placed in ZEROPAGE as expected. */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int err = 0;
+
+int is_zeropage(void *p)
+{
+    if (/*(p >= ((void*)0)) &&*/
+        (p <= ((void*)0xff))) {
+        return 1;
+    }
+    return 0;
+}
+
+void foo(void) {
+#pragma bss-name(push,"ZEROPAGE")
+#pragma data-name(push,"ZEROPAGE")
+    static int zp_data = 5;
+    static char zp_bss;
+#pragma bss-name(pop)
+#pragma data-name(pop)
+    printf("zp_data at 0x%04x (%szp)\n", &zp_data, is_zeropage(&zp_data) ? "" : "NOT ");
+    printf("zp_bss  at 0x%04x (%szp)\n", &zp_bss, is_zeropage(&zp_bss) ? "" : "NOT ");
+    if (!is_zeropage(&zp_data)) {
+        err++;
+    }
+    if (!is_zeropage(&zp_bss)) {
+        err++;
+    }
+}
+
+int main(void)
+{
+    foo();
+    printf("errors: %d\n", err);
+    return err;
+}