From: Martin Liska <mliska@suse.cz>
Date: Tue, 14 Feb 2017 08:03:42 +0000 (+0100)
Subject: Replace XALLOCAVEC with XCNEWVEC (PR c/79471).
X-Git-Tag: releases/gcc-5.5.0~526
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40f667a96c13dbd19d1a88c42b0cb91ef3ff268d;p=thirdparty%2Fgcc.git

Replace XALLOCAVEC with XCNEWVEC (PR c/79471).

2017-02-14  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-02-13  Martin Liska  <mliska@suse.cz>

	PR c/79471
	* calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.

From-SVN: r245418
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6dbad39c5d45..1f02d717b6be 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2017-02-14  Martin Liska  <mliska@suse.cz>
+
+	Backport from mainline
+	2017-02-13  Martin Liska  <mliska@suse.cz>
+
+	PR c/79471
+	* calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
+
 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR translation/79397
diff --git a/gcc/calls.c b/gcc/calls.c
index 29b4ed18cec7..d51d5aea0cc8 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -2705,8 +2705,7 @@ expand_call (tree exp, rtx target, int ignore)
     n_named_args = num_actuals;
 
   /* Make a vector to hold all the information about each arg.  */
-  args = XALLOCAVEC (struct arg_data, num_actuals);
-  memset (args, 0, num_actuals * sizeof (struct arg_data));
+  args = XCNEWVEC (struct arg_data, num_actuals);
 
   /* Build up entries in the ARGS array, compute the size of the
      arguments into ARGS_SIZE, etc.  */
@@ -3719,6 +3718,7 @@ expand_call (tree exp, rtx target, int ignore)
   currently_expanding_call--;
 
   free (stack_usage_map_buf);
+  free (args);
 
   /* Join result with returned bounds so caller may use them if needed.  */
   target = chkp_join_splitted_slot (target, valbnd);