libgomp: Don't use <alloca.h>.

	libgomp/
	* oacc-parallel.c: Don't include <alloca.h>.
	(GOACC_parallel): Use gomp_alloca instead of alloca.

From-SVN: r219771

libgomp/ChangeLog

+2015-01-16  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* oacc-parallel.c: Don't include <alloca.h>.
+	(GOACC_parallel): Use gomp_alloca instead of alloca.
+
 2015-01-16  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* target.c (num_devices): Guard with PLUGIN_SUPPORT.

libgomp/oacc-parallel.c

@@ -34,7 +34,6 @@
 #include <string.h>
 #include <stdarg.h>
 #include <assert.h>
-#include <alloca.h>
 
 static int
 find_pset (int pos, size_t mapnum, unsigned short *kinds)
@@ -151,7 +150,7 @@ GOACC_parallel (int device, void (*fn) (void *), const void *offload_table,
   tgt = gomp_map_vars (acc_dev, mapnum, hostaddrs, NULL, sizes, kinds, true,
 		       false);
 
-  devaddrs = alloca (sizeof (void *) * mapnum);
+  devaddrs = gomp_alloca (sizeof (void *) * mapnum);
   for (i = 0; i < mapnum; i++)
     devaddrs[i] = (void *) (tgt->list[i]->tgt->tgt_start
 			    + tgt->list[i]->tgt_offset);