vim-patch:7.4.715 #4003

Problem:    Invalid memory access when there are illegal bytes.
Solution:   Get the length from the text, not from the character. (Dominique
            Pelle)

2186ffa2c7

src/nvim/regexp_nfa.c

@@ -5875,7 +5875,7 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, regsubs_T *subm
         // If ireg_icombine is not set only skip over the character
         // itself.  When it is set skip over composing characters.
         if (result && enc_utf8 && !ireg_icombine) {
-          clen = utf_char2len(curc);
+          clen = utf_ptr2len(reginput);
         }
 
         ADD_STATE_IF_MATCH(t->state);

src/nvim/version.c

@@ -409,7 +409,7 @@ static int included_patches[] = {
   // 718,
   // 717,
   // 716,
-  // 715,
+  715,
   714,
   713,
   712,