fixed large allocations in debug 64 with static addresses

src/alloc.c

@@ -974,6 +974,9 @@ void hl_free( hl_alloc *a ) {
 
 #ifdef HL_WIN
 #	if defined(GC_DEBUG) && defined(HL_64)
+#		define STATIC_ADDRESS
+#	endif
+#	ifdef STATIC_ADDRESS
 	// force out of 32 bits addresses to check loss of precision
 	static char *start_address = (char*)0x100000000;
 #	else
@@ -988,7 +991,7 @@ HL_PRIM void *hl_alloc_executable_memory( int size ) {
 #endif
 #if defined(HL_WIN)
 	void *ptr = VirtualAlloc(start_address,size,MEM_RESERVE|MEM_COMMIT,PAGE_EXECUTE_READWRITE);
-#	if defined(GC_DEBUG) && defined(HL_64)
+#	ifdef STATIC_ADDRESS
 	start_address += size + ((-size) & (GC_PAGE_SIZE - 1));
 #	endif
 	return ptr;
@@ -1017,7 +1020,11 @@ void ps_free_align( void *ptr, int size );
 static void *gc_alloc_page_memory( int size ) {
 #if defined(HL_WIN)
 	void *ptr = VirtualAlloc(start_address,size,MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
-#	if defined(GC_DEBUG) && defined(HL_64)
+#	ifdef STATIC_ADDRESS
+	if( ptr == NULL && start_address ) {
+		start_address = NULL;
+		return gc_alloc_page_memory(size);
+	}
 	start_address += size + ((-size) & (GC_PAGE_SIZE - 1));
 #	endif
 	return ptr;