c.getDiagnosticOpts().ShowCarets = false;
c.getInvocation().setLangDefaults(c.getLangOpts(), clang::IK_OpenCL,
#if HAVE_LLVM >= 0x0309
llvm::Triple(triple),
llvm::Triple(triple), c.getPreprocessorOpts(),
#endif
clang::LangStandard::lang_opencl11);
c.createDiagnostics(