commit cca34aa4bef5327eb4025850045c4c980ef4354b
author Bram Moolenaar <Bram@vim.org> Thu May 07 22:23:58 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu May 07 22:23:58 2020 +0200
tree 39e9ce97dae4daec0ec8f60c857bbddfee31328c
parent f0eefce93bb06037a2d45e7ea8c0ad6f1f714151

patch 8.2.0715: Vim9: leaking memory

Problem:    Vim9: leaking memory.
Solution:   Free strings after concatenating them.

src/version.c

diff --git a/src/version.c b/src/version.c
index fd59afd..7434486 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    715,
+/**/
     714,
 /**/
     713,

src/vim9compile.c

diff --git a/src/vim9compile.c b/src/vim9compile.c
index 4ebb880..3d3b3c3 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4229,6 +4229,8 @@
 	    }
 	    mch_memmove(tv1.vval.v_string, s1, len1);
 	    STRCPY(tv1.vval.v_string + len1, s2);
+	    vim_free(s1);
+	    vim_free(s2);
 	}
 	else
 	{