[Bug preprocessor/19309] [3.4/4.0 Regression] Wrong documentation of predefined __GNUC__ with cpp invocation

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
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   Target Milestone|3.4.4                       |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19309