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Commit c30981a5 authored by Richard Smith's avatar Richard Smith
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Make preprocessor act in a GCC-compatible fashion when a macro is redefined 

within its own argument list. The original definition is used for the immediate
expansion, but the new definition is used for any subsequent occurences within
the argument list or after the expansion.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162906 91177308-0d34-0410-b5e6-96231b3b80d8
parent 3bc22262
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