4 files changed, 10 insertions, 7 deletions
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 108575fcbb..8f88368bc3 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -2499,7 +2499,7 @@ ZEND_API zend_mm_heap *zend_mm_startup(void)
 	return zend_mm_init();
 }
 
-ZEND_API zend_mm_heap *zend_mm_startup_ex(zend_mm_handlers *handlers, void *data, size_t data_size)
+ZEND_API zend_mm_heap *zend_mm_startup_ex(const zend_mm_handlers *handlers, void *data, size_t data_size)
 {
 #if ZEND_MM_STORAGE
 	zend_mm_storage tmp_storage, *storage;
diff --git a/Zend/zend_alloc.h b/Zend/zend_alloc.h
index c41568519c..f76494e0d4 100644
--- a/Zend/zend_alloc.h
+++ b/Zend/zend_alloc.h
@@ -310,7 +310,7 @@ struct _zend_mm_storage {
 };
 
 ZEND_API zend_mm_storage *zend_mm_get_storage(zend_mm_heap *heap);
-ZEND_API zend_mm_heap *zend_mm_startup_ex(zend_mm_handlers *handlers, void *data, size_t data_size);
+ZEND_API zend_mm_heap *zend_mm_startup_ex(const zend_mm_handlers *handlers, void *data, size_t data_size);
 
 /*
 
diff --git a/sapi/phpdbg/phpdbg_sigsafe.c b/sapi/phpdbg/phpdbg_sigsafe.c
index ce321595b1..319c9a5e75 100644
--- a/sapi/phpdbg/phpdbg_sigsafe.c
+++ b/sapi/phpdbg/phpdbg_sigsafe.c
@@ -29,13 +29,17 @@ static void zend_mm_mem_free(zend_mm_storage *storage, void *ptr, size_t size) {
 
 void phpdbg_set_sigsafe_mem(char *buffer) {
 	phpdbg_signal_safe_mem *mem = &PHPDBG_G(sigsafe_mem);
+	const zend_mm_handlers phpdbg_handlers = {
+		zend_mm_mem_alloc,
+		zend_mm_mem_free,
+		NULL,
+		NULL,
+	};
+
 	mem->mem = buffer;
 	mem->allocated = 0;
 
-	mem->storage.chunk_alloc = zend_mm_mem_alloc;
-	mem->storage.chunk_free = zend_mm_mem_free;
-
-	mem->heap = zend_mm_startup_ex(&mem->storage);
+	mem->heap = zend_mm_startup_ex(&phpdbg_handlers, NULL, 0);
 
 	mem->old_heap = zend_mm_set_heap(mem->heap);
 }
diff --git a/sapi/phpdbg/phpdbg_sigsafe.h b/sapi/phpdbg/phpdbg_sigsafe.h
index d8a195f266..e5d0f34b43 100644
--- a/sapi/phpdbg/phpdbg_sigsafe.h
+++ b/sapi/phpdbg/phpdbg_sigsafe.h
@@ -13,7 +13,6 @@ typedef struct {
 	zend_bool allocated;
 	zend_mm_heap *heap;
 	zend_mm_heap *old_heap;
-	zend_mm_storage storage;
 } phpdbg_signal_safe_mem;
 
 #include "phpdbg.h"