commit 2795e21eaafaeaf95a91667fd411023280d0f902
author Bram Moolenaar <Bram@vim.org> Tue Jan 05 22:04:49 2016 +0100
committer Bram Moolenaar <Bram@vim.org> Tue Jan 05 22:04:49 2016 +0100
tree 84bc697eb1e165249a127e44dc734876302c6104
parent da59dd5da6440c3410866ed61ce169a2012ba5bd

patch 7.4.1054
Problem:    Illegal memory access.
Solution:   Check for missing pattern. (Dominique Pelle)

src/syntax.c

diff --git a/src/syntax.c b/src/syntax.c
index 937fbf1..badb226 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -5833,6 +5833,11 @@
 	}
 	else if (STRCMP(key, "LINECONT") == 0)
 	{
+	    if (*next_arg == NUL)	   /* missing pattern */
+	    {
+		illegal = TRUE;
+		break;
+	    }
 	    if (curwin->w_s->b_syn_linecont_pat != NULL)
 	    {
 		EMSG(_("E403: syntax sync: line continuations pattern specified twice"));

src/version.c

diff --git a/src/version.c b/src/version.c
index 6cb4c8d..23f9ed0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1054,
+/**/
     1053,
 /**/
     1052,