From 7a96119c379a5495a965d63de2c7be45903df29d Mon Sep 17 00:00:00 2001
From: greg <greg7mdp@gmail.com>
Date: Fri, 23 Oct 2020 23:01:02 -0400
Subject: [PATCH] cleanup compilation warnings with msvc.

---
 examples/insert_bench.cc | 5 +++--
 tests/btree_test.cc      | 6 +++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/examples/insert_bench.cc b/examples/insert_bench.cc
index 9d6154b..8881a3a 100644
--- a/examples/insert_bench.cc
+++ b/examples/insert_bench.cc
@@ -62,10 +62,11 @@ public:
     uint64_t operator()(uint64_t boundExcluded) noexcept {
 #ifdef PHMAP_HAS_UMUL128
         uint64_t h;
-        uint64_t l = umul128(operator()(), boundExcluded, &h);
+        (void)umul128(operator()(), boundExcluded, &h);
         return h;
+#else
+        return 0;
 #endif
-      return 0;
     }
 
     std::array<uint64_t, 4> state() const {
diff --git a/tests/btree_test.cc b/tests/btree_test.cc
index 4ad3903..1dc64cd 100644
--- a/tests/btree_test.cc
+++ b/tests/btree_test.cc
@@ -34,6 +34,10 @@
 #include <numeric>
 #include "btree_test.h"
 
+#ifdef _MSC_VER
+    #pragma warning(disable: 4244 4100 4389)
+#endif
+
 namespace phmap {
     namespace test_internal {
         int BaseCountedInstance::num_instances_ = 0;
@@ -207,7 +211,7 @@ public:
 
     int erase(const key_type &key) {
         int size = tree_.size();
-        int res = checker_.erase(key);
+        int res = (int)checker_.erase(key);
         EXPECT_EQ(res, tree_.count(key));
         EXPECT_EQ(res, tree_.erase(key));
         EXPECT_EQ(tree_.count(key), 0);