# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1314367980 -7200
# Node ID 3f822e54765c54a1112a953e3c37bb60185fd51c
# Parent  7b50afd3103733ad0f70acc655cb9295fd67ceaf
updated for version 7.3.286
Problem:    Crash when using "zd" on a large number of folds. (Sam King)
Solution:   Recompute pointer after reallocating array.  Move fewer entries
	    when making room.

diff --git a/src/fold.c b/src/fold.c
--- a/src/fold.c
+++ b/src/fold.c
@@ -1469,11 +1469,14 @@ deleteFoldEntry(gap, idx, recursive)
     }
     else
     {
-	/* move nested folds one level up, to overwrite the fold that is
+	/* Move nested folds one level up, to overwrite the fold that is
 	 * deleted. */
 	moved = fp->fd_nested.ga_len;
 	if (ga_grow(gap, (int)(moved - 1)) == OK)
 	{
+	    /* Get "fp" again, the array may have been reallocated. */
+	    fp = (fold_T *)gap->ga_data + idx;
+
 	    /* adjust fd_top and fd_flags for the moved folds */
 	    nfp = (fold_T *)fp->fd_nested.ga_data;
 	    for (i = 0; i < moved; ++i)
@@ -1486,9 +1489,9 @@ deleteFoldEntry(gap, idx, recursive)
 	    }
 
 	    /* move the existing folds down to make room */
-	    if (idx < gap->ga_len)
+	    if (idx + 1 < gap->ga_len)
 		mch_memmove(fp + moved, fp + 1,
-					sizeof(fold_T) * (gap->ga_len - idx));
+				  sizeof(fold_T) * (gap->ga_len - (idx + 1)));
 	    /* move the contained folds one level up */
 	    mch_memmove(fp, nfp, (size_t)(sizeof(fold_T) * moved));
 	    vim_free(nfp);
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    286,
+/**/
     285,
 /**/
     284,