Increase stack size needed for VM execution in Debug build type.

libethereum/ExtVM.cpp

@@ -33,7 +33,12 @@ namespace
 static unsigned const c_depthLimit = 1024;
 
 /// Upper bound of stack space needed by single CALL/CREATE execution. Set experimentally.
-static size_t const c_singleExecutionStackSize = 12 * 1024;
+static size_t const c_singleExecutionStackSize =
+#ifdef NDEBUG
+	12 * 1024;
+#else
+	64 * 1024;
+#endif
 
 /// Standard OSX thread stack limit. Should be reasonable for other platforms too.
 static size_t const c_defaultStackSize = 512 * 1024;
@@ -104,4 +109,3 @@ h160 ExtVM::create(u256 _endowment, u256& io_gas, bytesConstRef _code, OnOpFunc
 	io_gas = e.gas();
 	return e.newAddress();
 }
-