From 54ec0d09949c45a5880a71f43b6a946b7f01ca9a Mon Sep 17 00:00:00 2001
From: Charles <18726788+csharpee@users.noreply.github.com>
Date: Sun, 29 Mar 2020 03:01:46 -0400
Subject: [PATCH 1/2] updated undefined behavior in accordance with zcash
 remedy rex4539 #4056

---
 src/arith_uint256.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/arith_uint256.cpp b/src/arith_uint256.cpp
index e9c0dd056..d7a5c0afe 100644
--- a/src/arith_uint256.cpp
+++ b/src/arith_uint256.cpp
@@ -193,9 +193,10 @@ unsigned int base_uint<BITS>::bits() const
 {
     for (int pos = WIDTH - 1; pos >= 0; pos--) {
         if (pn[pos]) {
-            for (int bits = 31; bits > 0; bits--) {
-                if (pn[pos] & 1 << bits)
+            for (size_t bits = 31; bits > 0; bits--) {
+                if (pn[pos] & (1U << bits)) {
                     return 32 * pos + bits + 1;
+				}
             }
             return 32 * pos + 1;
         }

From 2bfc18b26d1485dc8d6d3ac1da60a6d9af3ef11a Mon Sep 17 00:00:00 2001
From: Charles <18726788+csharpee@users.noreply.github.com>
Date: Thu, 16 Apr 2020 16:48:58 -0400
Subject: [PATCH 2/2] Fix package dep for ccache xz to gz compression algo.

---
 depends/packages/native_ccache.mk | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/depends/packages/native_ccache.mk b/depends/packages/native_ccache.mk
index b3693cc6f..64fee77ba 100644
--- a/depends/packages/native_ccache.mk
+++ b/depends/packages/native_ccache.mk
@@ -1,8 +1,8 @@
 package=native_ccache
-$(package)_version=3.7.7
+$(package)_version=3.7.9
 $(package)_download_path=https://github.com/ccache/ccache/releases/download/v$($(package)_version)
-$(package)_file_name=ccache-$($(package)_version).tar.xz
-$(package)_sha256_hash=b7c1d6d6fe42f18e424de92746af863e0bc85794da3d69e44300840c478c98cd
+$(package)_file_name=ccache-$($(package)_version).tar.gz
+$(package)_sha256_hash=92838e2133c9e704fdab9ee2608dad86c99021278b9ac47d065aa8ff2ea8ce36
 
 define $(package)_set_vars
 $(package)_config_opts=