From 605c950b18ad81178f2d20ea8a8fcbc8b3cdf2f2 Mon Sep 17 00:00:00 2001
From: The Magician <magic-modules@google.com>
Date: Mon, 11 Jun 2018 14:17:04 -0700
Subject: [PATCH] Add DiffSuppress for global address ip_version. IPV4 and
 empty are equivalent, but the API will return whichever one was sent on
 creation. Fixes #1637. (#1639)

---
 google/resource_compute_global_address.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/google/resource_compute_global_address.go b/google/resource_compute_global_address.go
index 1257714f..a509d627 100644
--- a/google/resource_compute_global_address.go
+++ b/google/resource_compute_global_address.go
@@ -51,10 +51,11 @@ func resourceComputeGlobalAddress() *schema.Resource {
 				ForceNew: true,
 			},
 			"ip_version": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				ForceNew:     true,
-				ValidateFunc: validation.StringInSlice([]string{"IPV4", "IPV6", ""}, false),
+				Type:             schema.TypeString,
+				Optional:         true,
+				ForceNew:         true,
+				ValidateFunc:     validation.StringInSlice([]string{"IPV4", "IPV6", ""}, false),
+				DiffSuppressFunc: emptyOrDefaultStringSuppress("IPV4"),
 			},
 			"address": {
 				Type:     schema.TypeString,