patch 9.0.1076: ASAN complains about NULL argument

Problem: ASAN complains about NULL argument. Solution: Skip memmove() when there is nothing to move.
vim · Dec 19, 2022 · 8efdcee · 8efdcee
1 parent c336ae3
commit 8efdcee
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/version.c b/src/version.c
@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1076,
 /**/
     1075,
 /**/

diff --git a/src/vim9class.c b/src/vim9class.c
@@ -164,7 +164,8 @@ add_members_to_class(
     *members = gap->ga_len == 0 ? NULL : ALLOC_MULT(ocmember_T, gap->ga_len);
     if (gap->ga_len > 0 && *members == NULL)
 	return FAIL;
-    mch_memmove(*members, gap->ga_data, sizeof(ocmember_T) * gap->ga_len);
+    if (gap->ga_len > 0)
+	mch_memmove(*members, gap->ga_data, sizeof(ocmember_T) * gap->ga_len);
     VIM_CLEAR(gap->ga_data);
     return OK;
 }