diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 4f84d0a0dd2..8c0382fbf3a 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1455,8 +1455,24 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // wrong. Args.ClaimAllArgs(options::OPT_g_Group); if (Arg *A = Args.getLastArg(options::OPT_g_Group)) - if (!A->getOption().matches(options::OPT_g0)) - CmdArgs.push_back("-g"); + if (!A->getOption().matches(options::OPT_g0)) { + StringRef ArgString = A->getAsString(Args); + bool Valid_g = llvm::StringSwitch<bool>(ArgString) + .Case("-g", true) + .Case("-g3", true) + .Case("-gdwarf-2", true) + .Case("-gstabs", true) + .Case("-gstabs+", true) + .Case("-gstabs1", true) + .Case("-gstabs2", true) + .Case("-gfull", true) + .Case("-gused", true) + .Default(false); + if (Valid_g) + CmdArgs.push_back("-g"); + else + D.Diag(diag::warn_drv_clang_unsupported) << ArgString; + } Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections); Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections); |
