[Bug bootstrap/20305] [4.0/4.1 Regression] Miscompilation of libcpp/macro.c at -O1 and higher

[pinskia at gcc dot gnu dot org]

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Bug 20305 depends on bug 20282, which changed state.

Bug 20282 Summary: [4.0/4.1 Regression] gcc4 can not bootstrap itself anymore
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20282

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20305