Mikhail Glushenkov 5c98d824f6 Filter option names to escape symbols not allowed as C++ identifiers.
Makes it possible to use options with names like "Wa,".
Also fixes the -Wall option handling as a side-effect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50973 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-12 16:33:06 +00:00
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