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[driver] -mkernel implies -fno-common, so claim the arg to avoid an unused 

argument warning.
Part of rdar://11120518

llvm-svn: 153470
This commit is contained in:
Chad Rosier 2012-03-26 21:35:40 +00:00
parent f27e1c40dd
commit d9d80e0844
1 changed files with 1 additions and 0 deletions
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clang/lib/Driver/Tools.cpp
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@ -2401,6 +2401,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.hasArg(options::OPT_fapple_kext)) { Args.hasArg(options::OPT_fapple_kext)) {
if (!Args.hasArg(options::OPT_fcommon)) if (!Args.hasArg(options::OPT_fcommon))
CmdArgs.push_back("-fno-common"); CmdArgs.push_back("-fno-common");
Args.ClaimAllArgs(options::OPT_fno_common);
} }
// -fcommon is default, only pass non-default. // -fcommon is default, only pass non-default.