From fec10c5ddb20a2a184932e4de3fd2a0aba2d322d Mon Sep 17 00:00:00 2001
From: aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 10 Oct 2019 12:58:38 +0000
Subject: Handle undefined in normalize_address.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ranger@276799 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/tree-vrp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index d69cfb107cb..41017ce0f37 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -6025,6 +6025,9 @@ value_range::union_ (const value_range *other)
 value_range_base
 value_range_base::normalize_addresses () const
 {
+  if (undefined_p ())
+    return *this;
+
   if (!POINTER_TYPE_P (type ()) || range_has_numeric_bounds_p (this))
     return *this;
 
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