re PR middle-end/70239 (ICE in ggc_set_mark)

	PR middle-end/70239
	* tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
	of safe_grow.

From-SVN: r234221

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index de099d6..9aa11be 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/70239
+       * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
+       of safe_grow.
+
 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
 
        PR rtl-optimization/69032

diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c
index 1c237a4..8a5b641 100644 (file)
--- a/gcc/tree-ssa-sccvn.c
+++ b/gcc/tree-ssa-sccvn.c
@@ -407,7 +407,7 @@ VN_INFO_GET (tree name)
   newinfo = XOBNEW (&vn_ssa_aux_obstack, struct vn_ssa_aux);
   memset (newinfo, 0, sizeof (struct vn_ssa_aux));
   if (SSA_NAME_VERSION (name) >= vn_ssa_aux_table.length ())
-    vn_ssa_aux_table.safe_grow (SSA_NAME_VERSION (name) + 1);
+    vn_ssa_aux_table.safe_grow_cleared (SSA_NAME_VERSION (name) + 1);
   vn_ssa_aux_table[SSA_NAME_VERSION (name)] = newinfo;
   return newinfo;
 }