From 1016dacfaca5014c6af377ca787c36cf5dea88e8 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Wed, 12 Jul 2017 14:03:42 -0400
Subject: [PATCH 1/2] Fix signed/unsigned comparison warning introduced in
 c8e29d7ff0.

---
 src/core_read.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core_read.cpp b/src/core_read.cpp
index 18d02fb91..7018131a1 100644
--- a/src/core_read.cpp
+++ b/src/core_read.cpp
@@ -27,7 +27,7 @@ CScript ParseScript(const std::string& s)
 
     if (mapOpNames.empty())
     {
-        for (int op = 0; op <= MAX_OPCODE; op++)
+        for (unsigned int op = 0; op <= MAX_OPCODE; op++)
         {
             // Allow OP_RESERVED to get into mapOpNames
             if (op < OP_NOP && op != OP_RESERVED)

From c73b8be2440e424f304fda22e43240e8b90f9b00 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Wed, 12 Jul 2017 14:45:14 -0400
Subject: [PATCH 2/2] Explicitly initialize prevector::_union to avoid new
 warning

Warning from gcc 7.1 is ./prevector.h:450:25: warning:
'*((void*)(&<anonymous>)+8).prevector<28, unsigned char>::_union.prevector<28, unsigned char>::direct_or_indirect::<anonymous>.prevector<28, unsigned char>::direct_or_indirect::<unnamed struct>::indirect'
may be used uninitialized in this function [-Wmaybe-uninitialized]
---
 src/prevector.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/prevector.h b/src/prevector.h
index 02d860bb0..46640d6ff 100644
--- a/src/prevector.h
+++ b/src/prevector.h
@@ -220,7 +220,7 @@ public:
         }
     }
 
-    prevector() : _size(0) {}
+    prevector() : _size(0), _union{{}} {}
 
     explicit prevector(size_type n) : _size(0) {
         resize(n);