Ignore unused --serialize-diagnostics option when using llvm-gcc.
llvm-gcc doesn't handle --serialize-diagnostics so when compiling i386
kernel/kext code with -Werror, you get an error about that option being
unused. Claim the argument to prevent this from breaking builds.
<rdar://problem/11161933>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153854 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index f3faeec..aaa73c1 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -3619,6 +3619,9 @@
assert(Inputs.size() == 1 && "Unexpected number of inputs!");
+ // Silence warning about unused --serialize-diagnostics
+ Args.ClaimAllArgs(options::OPT__serialize_diags);
+
types::ID InputType = Inputs[0].getType();
const Arg *A;
if ((A = Args.getLastArg(options::OPT_traditional)))
