From c76c23a0da27f6a5583490893b82a82002691a90 Mon Sep 17 00:00:00 2001
From: Aldy Hernandez <aldyh@redhat.com>
Date: Wed, 11 Nov 2020 09:05:32 +0100
Subject: [PATCH] Early exit on VR_VARYING from irange::set.

gcc/ChangeLog:

	* value-range.cc (irange::set): Early exit on VR_VARYING.
---
 gcc/value-range.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/value-range.cc b/gcc/value-range.cc
index b7ccba010e4..2b82dfe2a7b 100644
--- a/gcc/value-range.cc
+++ b/gcc/value-range.cc
@@ -249,7 +249,9 @@ irange::set (tree min, tree max, value_range_kind kind)
       return;
     }
 
-  if (POLY_INT_CST_P (min) || POLY_INT_CST_P (max))
+  if (kind == VR_VARYING
+      || POLY_INT_CST_P (min)
+      || POLY_INT_CST_P (max))
     {
       set_varying (TREE_TYPE (min));
       return;
-- 
2.30.2