Index: tests/zombies/gc_no_raii/src/tools/checks.h
===================================================================
--- tests/zombies/gc_no_raii/src/tools/checks.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/src/tools/checks.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,29 @@
+#pragma once
+
+#ifdef NDEBUG
+
+#define check(x)
+
+#define checkf(x, format, ...)
+
+#warning no debug checks
+
+#else
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#define check(x) do {\
+	if(!(x)) {\
+		printf("CHECK failed : %s at %s:%i\n", #x, __FILE__, __LINE__);\
+		abort();\
+	}}while( (int)0 )\
+
+#define checkf(x, ...) do {\
+	if(!(x)) {\
+		printf("CHECK failed : %s at %s:%i\n", #x, __FILE__, __LINE__);\
+		printf(__VA_ARGS__);\
+		abort();\
+	}}while( (int)0 )\
+
+#endif //NO_CHECKS
Index: tests/zombies/gc_no_raii/src/tools/print.c
===================================================================
--- tests/zombies/gc_no_raii/src/tools/print.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/src/tools/print.c	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,5 @@
+#include "tools.h"
+
+#ifndef NDEBUG
+	// ofstream *sout = ofstream_stdout();
+#endif
Index: tests/zombies/gc_no_raii/src/tools/print.h
===================================================================
--- tests/zombies/gc_no_raii/src/tools/print.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/src/tools/print.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,13 @@
+#pragma once
+
+// #ifndef NDEBUG
+//
+// #include <fstream.hfa>
+//
+// #define DEBUG_OUT(x) sout | x;
+//
+// #else
+
+#define DEBUG_OUT(x)
+
+// #endif //NO_CHECKS
Index: tests/zombies/gc_no_raii/src/tools/worklist.h
===================================================================
--- tests/zombies/gc_no_raii/src/tools/worklist.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
+++ tests/zombies/gc_no_raii/src/tools/worklist.h	(revision 87b93323c11d412259391b6741a7bc4dcad8981e)
@@ -0,0 +1,14 @@
+#pragma once
+
+#ifdef __cforall
+extern "C" {
+#endif
+#include <stddef.h>
+#include <stdint.h>
+#ifdef __cforall
+}
+#endif
+
+#include <vector.hfa>
+
+typedef vector(intptr_t*, heap_allocator(intptr_t*)) worklist_t;