vim-patch:7.4.939

Problem:    Memory leak when encountering a syntax error.
Solution:   Free the memory. (Dominique Pelle)

9a7d58e42e

src/nvim/ex_docmd.c

@@ -9387,17 +9387,20 @@ static void ex_match(exarg_T *eap)
       g = vim_strnsave(eap->arg, (int)(p - eap->arg));
     p = skipwhite(p);
     if (*p == NUL) {
-      /* There must be two arguments. */
+      // There must be two arguments.
+      xfree(g);
       EMSG2(_(e_invarg2), eap->arg);
       return;
     }
     end = skip_regexp(p + 1, *p, TRUE, NULL);
     if (!eap->skip) {
       if (*end != NUL && !ends_excmd(*skipwhite(end + 1))) {
+        xfree(g);
         eap->errmsg = e_trailing;
         return;
       }
       if (*end != *p) {
+        xfree(g);
         EMSG2(_(e_invarg2), p);
         return;
       }

src/nvim/version.c

@@ -351,7 +351,7 @@ static int included_patches[] = {
   // 942,
   // 941,
   // 940 NA
-  // 939,
+  939,
   // 938 NA
   // 937,
   // 936,