diff options
Diffstat (limited to 'clang/lib/Driver/Driver.cpp')
| -rw-r--r-- | clang/lib/Driver/Driver.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp index f16acbb42e9..0dcab7c0c6c 100644 --- a/clang/lib/Driver/Driver.cpp +++ b/clang/lib/Driver/Driver.cpp @@ -1583,6 +1583,14 @@ void Driver::BuildInputs(const ToolChain &TC, DerivedArgList &Args, Diag(clang::diag::err_drv_unknown_language) << A->getValue(); InputType = types::TY_Object; } + } else if (A->getOption().getID() == options::OPT__SLASH_U) { + assert(A->getNumValues() == 1 && "The /U option has one value."); + StringRef Val = A->getValue(0); + if (Val.find_first_of("/\\") != StringRef::npos) { + // Warn about e.g. "/Users/me/myfile.c". + Diag(diag::warn_slash_u_filename) << Val; + Diag(diag::note_use_dashdash); + } } } if (CCCIsCPP() && Inputs.empty()) { |
