[PATCH] Error on invalid options in -### mode

[Rafael Ávila de Espíndola]

Hi chandlerc,

There seem to be an expectation in the testsuite that -### should fail when the driver itself detects an error.

Unfortunately, that is not currently the case.

This patch fixes that.


http://llvm-reviews.chandlerc.com/D2032

Files:
  include/clang/Driver/Options.td
  lib/Driver/Driver.cpp
  lib/Driver/Tools.cpp
  test/Driver/arm-darwin-builtin.c
  test/Driver/cl-options.c
  test/Driver/cl-outputs.c
  test/Driver/clang_f_opts.c
  test/Driver/color-diagnostics.c
  test/Driver/debug-options.c
  test/Driver/fsanitize-blacklist.c
  test/Driver/fsanitize.c
  test/Driver/gfortran.f90
  test/Driver/no-integrated-as-win.c
  test/Driver/pic.c
  test/Driver/working-directory.c
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