[promises] Move promise constructor to TFS

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 3e812d56e30a87449eaab456869c60f9bad2439a..be2c573ba1c020c825a244d0b35cfaacdb5c589a 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -1600,7 +1600,7 @@ Handle<Code> Factory::NewCode(const CodeDesc& desc,
   code->set_prologue_offset(prologue_offset);
   code->set_constant_pool_offset(desc.instr_size - desc.constant_pool_size);
   code->set_builtin_index(-1);
-
+  code->set_exception_hint(0);
   if (code->kind() == Code::OPTIMIZED_FUNCTION) {
     code->set_marked_for_deoptimization(false);
   }