Fix CircleCI build failure (#190)

Summary:
There were two issues preventing the build from completing:

* `hermes-repl` requires `-ltinfo`
* `hermes::IsTriviallyCopyable<PseudoHandle<T>>` static_assert fails on Windows
Pull Request resolved: #190

Test Plan: CircleCI

Reviewed By: tmikov

Differential Revision: D20176642

Pulled By: willholen

fbshipit-source-id: 966acf91afbaca6469dd8f522d92c4b4fb47c981

include/hermes/VM/CallResult.h

@@ -281,7 +281,7 @@ template <typename T>
 class CallResult<PseudoHandle<T>, detail::CallResultSpecialize::PseudoHandle> {
   PseudoHandle<T> valueOrStatus_;
 
-#ifdef NDEBUG
+#if defined(NDEBUG) && !defined(_WINDOWS)
   static_assert(
       hermes::IsTriviallyCopyable<PseudoHandle<T>, true>::value,
       "PseudoHandle<T> must be trivially copyable");

tools/repl/CMakeLists.txt

@@ -4,10 +4,11 @@
 # LICENSE file in the root directory of this source tree.
 
 find_library(LIBREADLINE_FOUND readline)
+find_library(LIBTINFO_FOUND tinfo)
 
-if(LIBREADLINE_FOUND)
+if(LIBREADLINE_FOUND AND LIBTINFO_FOUND)
   set(HAVE_LIBREADLINE 1)
-  set(LIBREADLINE ${LIBREADLINE_FOUND})
+  set(LIBREADLINE ${LIBREADLINE_FOUND} ${LIBTINFO_FOUND})
 endif()
 
 configure_file(ReplConfig.h.in ${CMAKE_CURRENT_BINARY_DIR}/ReplConfig.h