patch 8.1.1384: using "int" for alloc() often results in compiler warnings commit https://github.com/vim/vim/commit/964b3746b9c81e65887e2ac9a335f181db2bb592 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 24 18:54:09 2019 +0200 patch 8.1.1384: using "int" for alloc() often results in compiler warnings Problem: Using "int" for alloc() often results in compiler warnings. Solution: Use "size_t" and remove type casts. Remove alloc_check(), Vim only works with 32 bit ints anyway.

--- a/src/regexp.c
+++ b/src/regexp.c
@@ -7145,7 +7145,7 @@ regtilde(char_u *source, int magic)
 	    {
 		/* length = len(newsub) - 1 + len(prev_sub) + 1 */
 		prevlen = (int)STRLEN(reg_prev_sub);
-		tmpsub = alloc((unsigned)(STRLEN(newsub) + prevlen));
+		tmpsub = alloc(STRLEN(newsub) + prevlen);
 		if (tmpsub != NULL)
 		{
 		    /* copy prefix */