Merge pull request #4970

93e24dd travis: use debug for one build (Cory Fields)
be6d87a script: don't read past the end (Cory Fields)
a94496f tests: don't split an empty string (Cory Fields)
00522cd depends: disable reduced exports for debug builds (Cory Fields)
1f7fff2 depends: add docs for debug (Cory Fields)
dc66ff5 depends: make LDFLAGS act like the other flags (Cory Fields)
b1efba8 depends: give miniupnpc cppflags (Cory Fields)
1d154db depends: teach qt to honor debug/release (Cory Fields)
3b63df5 depends: boost: build for debug or release as requested (Cory Fields)
7e99df7 depends: make sure openssl sees cppflags (Cory Fields)
f397304 depends: add debug/release flags for linux/osx/win (Cory Fields)
2027ad3 depends: add the debug/release concept to depends (Cory Fields)

2 files changed, 4 insertions, 2 deletions

diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index d742fb9eb9..a71f55dd26 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -839,7 +839,8 @@ public:
                 itBegin = it;
             }
         }
-        s.write((char*)&itBegin[0], it-itBegin);
+        if (itBegin != scriptCode.end())
+            s.write((char*)&itBegin[0], it-itBegin);
     }
 
     /** Serialize an input of txTo */
diff --git a/src/test/getarg_tests.cpp b/src/test/getarg_tests.cpp
index 8cadcdd716..8a984304f4 100644
--- a/src/test/getarg_tests.cpp
+++ b/src/test/getarg_tests.cpp
@@ -16,7 +16,8 @@ BOOST_AUTO_TEST_SUITE(getarg_tests)
 static void ResetArgs(const std::string& strArg)
 {
     std::vector<std::string> vecArg;
-    boost::split(vecArg, strArg, boost::is_space(), boost::token_compress_on);
+    if (strArg.size())
+      boost::split(vecArg, strArg, boost::is_space(), boost::token_compress_on);
 
     // Insert dummy executable name:
     vecArg.insert(vecArg.begin(), "testbitcoin");