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-rw-r--r--src/macros.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/macros.h b/src/macros.h
index a7964d850..803b89115 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -364,8 +364,11 @@
# define ESTACK_CHECK_SETUP estack_len_before = exestack.ga_len;
# define ESTACK_CHECK_NOW if (estack_len_before != exestack.ga_len) \
siemsg("Exestack length expected: %d, actual: %d", estack_len_before, exestack.ga_len);
+# define CHECK_CURBUF if (curwin != NULL && curwin->w_buffer != curbuf) \
+ iemsg("curbuf != curwin->w_buffer")
#else
# define ESTACK_CHECK_DECLARATION
# define ESTACK_CHECK_SETUP
# define ESTACK_CHECK_NOW
+# define CHECK_CURBUF
#endif