diff --git a/tcg/tcg.h b/tcg/tcg.h
index 92d7468..7c39eac 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -614,6 +614,7 @@
     uintptr_t *tb_jmp_target_addr; /* tb->jmp_target_arg if !direct_jump */
 
     TCGRegSet reserved_regs;
+    uint32_t tb_cflags; /* cflags of the current TB */
     intptr_t current_frame_offset;
     intptr_t frame_start;
     intptr_t frame_end;