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    b3a4bdd8
    Fix whitespace handling in empty macro arguments · b3a4bdd8
    Justin Bogner authored 
    When a function-like macro definition ends with one of the macro's
parameters, and the argument is empty, any whitespace before the
parameter name in the macro definition needs to be preserved. Promoting
the existing NextTokGetsSpace to a preserved bit-field and checking it
at the end of the macro expansion allows it to be moved to the first
token following the macro expansion result.

Patch by Harald van Dijk!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@200786 91177308-0d34-0410-b5e6-96231b3b80d8
    b3a4bdd8
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    Fix whitespace handling in empty macro arguments
    Justin Bogner authored 
    When a function-like macro definition ends with one of the macro's
parameters, and the argument is empty, any whitespace before the
parameter name in the macro definition needs to be preserved. Promoting
the existing NextTokGetsSpace to a preserved bit-field and checking it
at the end of the macro expansion allows it to be moved to the first
token following the macro expansion result.

Patch by Harald van Dijk!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@200786 91177308-0d34-0410-b5e6-96231b3b80d8
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