policy.cpp.patch

diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index ae42b2bd7..038ae6693 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -133,19 +133,26 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
         txnouttype whichType;
         // get the scriptPubKey corresponding to this input:
         const CScript& prevScript = prev.scriptPubKey;
-        if (!Solver(prevScript, whichType, vSolutions))
+        if (!Solver(prevScript, whichType, vSolutions)) {
+            LogPrintf("AreInputsStandard fails at prev.scriptPubKey at input %d: %s\n", i, HexStr(prev.scriptPubKey));
             return false;
+        }

         if (whichType == TX_SCRIPTHASH)
         {
             std::vector<std::vector<unsigned char> > stack;
             // convert the scriptSig into a stack, so we can inspect the redeemScript
-            if (!EvalScript(stack, tx.vin[i].scriptSig, SCRIPT_VERIFY_NONE, BaseSignatureChecker(), SIGVERSION_BASE))
+            if (!EvalScript(stack, tx.vin[i].scriptSig, SCRIPT_VERIFY_NONE, BaseSignatureChecker(), SIGVERSION_BASE)) {
+                LogPrintf("AreInputsStandard fails at EvalScript(stack, tx.vin[%d].scriptSig)\n", i);
                 return false;
-            if (stack.empty())
+            }
+            if (stack.empty()) {
+                LogPrintf("AreInputsStandard fails at stack empty at index %d\n", i);
                 return false;
+            }
             CScript subscript(stack.back().begin(), stack.back().end());
             if (subscript.GetSigOpCount(true) > MAX_P2SH_SIGOPS) {
+                LogPrintf("AreInputsStandard fails at MAX_P2SH_SIGOPS at index %d\n", i);
                 return false;
             }
         }