Merge pull request #1259 from iovisor/yhs_dev

Fix a clang memory leak

src/cc/frontends/clang/loader.cc

@@ -296,6 +296,7 @@ int ClangLoader::parse(unique_ptr<llvm::Module> *mod, TableStorage &ts, const st
   invocation2.getFrontendOpts().Inputs.push_back(FrontendInputFile(
       main_path, FrontendOptions::getInputKindForExtension("c")));
   invocation2.getFrontendOpts().DisableFree = false;
+  invocation2.getCodeGenOpts().DisableFree = false;
   // Resort to normal inlining. In -O0 the default is OnlyAlwaysInlining and
   // clang might add noinline attribute even for functions with inline hint.
   invocation2.getCodeGenOpts().setInlining(CodeGenOptions::NormalInlining);