[PATCH] [clang][Driver][MCTargetOptions]Change clang driver to adopt new definition of createAsmBackend

[Vladimir Medic]

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Comment at: tools/driver/cc1as_main.cpp:358
@@ -357,2 +357,3 @@
       TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
+  MCTargetOptions Options = InitMCTargetOptionsFromFlags();
 
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echristo wrote:
> I'd prefer not to do this, clang already has its own option handling. Ideas on how to avoid this?
Not right now, at least not a simple one. The FIXME comment that was removed said:"init MCTargetOptions from sanitizer flags here." So we should probably need to map clang options to MCTargetOptions.

http://reviews.llvm.org/D7747

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