# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1519505104 -3600
# Node ID b4e7082de11d9c105fb560192b6e1f3e531fbaa8
# Parent  9589d8567f54a46b0aba6a11526e763c8bbfdc8b
patch 8.0.1541: synpat_T is taking too much memory

commit https://github.com/vim/vim/commit/36f923014a7eb7e24c4b0b88719cad14351e3a60
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Feb 24 21:36:34 2018 +0100

    patch 8.0.1541: synpat_T is taking too much memory

    Problem:    synpat_T is taking too much memory.
    Solution:   Reorder members to reduce padding. (Dominique Pelle, closes https://github.com/vim/vim/issues/2671)

diff --git a/src/syntax.c b/src/syntax.c
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -145,30 +145,32 @@ static char *(spo_name_tab[SPO_COUNT]) =
  *
  * A character offset can be given for the matched text (_m_start and _m_end)
  * and for the actually highlighted text (_h_start and _h_end).
+ *
+ * Note that ordering of members is optimized to reduce padding.
  */
 typedef struct syn_pattern
 {
     char	 sp_type;		/* see SPTYPE_ defines below */
     char	 sp_syncing;		/* this item used for syncing */
+    short	 sp_syn_match_id;	/* highlight group ID of pattern */
+    short	 sp_off_flags;		/* see below */
+    int		 sp_offsets[SPO_COUNT];	/* offsets */
     int		 sp_flags;		/* see HL_ defines below */
 #ifdef FEAT_CONCEAL
     int		 sp_cchar;		/* conceal substitute character */
 #endif
+    int		 sp_ic;			/* ignore-case flag for sp_prog */
+    int		 sp_sync_idx;		/* sync item index (syncing only) */
+    int		 sp_line_id;		/* ID of last line where tried */
+    int		 sp_startcol;		/* next match in sp_line_id line */
+    short	*sp_cont_list;		/* cont. group IDs, if non-zero */
+    short	*sp_next_list;		/* next group IDs, if non-zero */
     struct sp_syn sp_syn;		/* struct passed to in_id_list() */
-    short	 sp_syn_match_id;	/* highlight group ID of pattern */
     char_u	*sp_pattern;		/* regexp to match, pattern */
     regprog_T	*sp_prog;		/* regexp to match, program */
 #ifdef FEAT_PROFILE
     syn_time_T	 sp_time;
 #endif
-    int		 sp_ic;			/* ignore-case flag for sp_prog */
-    short	 sp_off_flags;		/* see below */
-    int		 sp_offsets[SPO_COUNT];	/* offsets */
-    short	*sp_cont_list;		/* cont. group IDs, if non-zero */
-    short	*sp_next_list;		/* next group IDs, if non-zero */
-    int		 sp_sync_idx;		/* sync item index (syncing only) */
-    int		 sp_line_id;		/* ID of last line where tried */
-    int		 sp_startcol;		/* next match in sp_line_id line */
 } synpat_T;
 
 /* The sp_off_flags are computed like this:
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -779,6 +779,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1541,
+/**/
     1540,
 /**/
     1539,