From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 9 May 2020 14:44:22 +0000 (+0200)
Subject: patch 8.2.0721: Vim9: leaking memory when skipping
X-Git-Tag: v8.2.0721
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=497f76bfbf9d5fe951221573d23696bb9e512c0b;p=vim

patch 8.2.0721: Vim9: leaking memory when skipping

Problem:    Vim9: leaking memory when skipping.
Solution:   Disable skipping in generate_ppconst().
---

diff --git a/src/version.c b/src/version.c
index 456516f97..f51f51df9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    721,
 /**/
     720,
 /**/
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 944efa197..a41972520 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -2417,11 +2417,14 @@ generate_ppconst(cctx_T *cctx, ppconst_T *ppconst)
 {
     int	    i;
     int	    ret = OK;
+    int	    save_skip = cctx->ctx_skip;
 
+    cctx->ctx_skip = FALSE;
     for (i = 0; i < ppconst->pp_used; ++i)
 	if (generate_tv_PUSH(cctx, &ppconst->pp_tv[i]) == FAIL)
 	    ret = FAIL;
     ppconst->pp_used = 0;
+    cctx->ctx_skip = save_skip;
     return ret;
 }
 
@@ -2754,6 +2757,7 @@ compile_call(
 	    ++ppconst->pp_used;
 	    return OK;
 	}
+	clear_tv(&argvars[0]);
     }
 
     if (generate_ppconst(cctx, ppconst) == FAIL)