simonmar/alex — pull request #39 by kazu-yamamoto (2013-11-22 04:39:51+00:00)
Title: Converting clang's line makers to GHC's line pragma.

Some of clang's line makers have four items:

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# 1 "" 1
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This cannot be parsed by Setup and is left in a template as is,
resulting in compile errors with GHC/clang-wrapper later.