patch 8.0.1688: some macros are used without a semicolon commit https://github.com/vim/vim/commit/6f4700233fd925fe122b851f937929fb5e5da707 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 10 18:47:20 2018 +0200 patch 8.0.1688: some macros are used without a semicolon Problem: Some macros are used without a semicolon, causing auto-indent to be wrong. Solution: Use the do-while(0) trick. (Ozaki Kiichi, closes #2729)

--- a/src/memline.c
+++ b/src/memline.c
@@ -8,8 +8,8 @@
  */
 
 /* for debugging */
-/* #define CHECK(c, s)	if (c) EMSG(s) */
-#define CHECK(c, s)
+/* #define CHECK(c, s)	do { if (c) EMSG(s); } while (0) */
+#define CHECK(c, s)	do { /**/ } while (0)
 
 /*
  * memline.c: Contains the functions for appending, deleting and changing the