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[ Description ](show_bug.cgi?id=86971#c0) R0b0t1  2018-08-16 05:00:38 UTC

    
    
    Noticed while compiling GCC 8.2.0:
    
    cc1plus: warning: -Wabi won't warn about anything [-Wabi]
    
    
    This isn't the most pressing issue, but I think the wording should be modified; perhaps:
    
    cc1plus: warning: -Wabi won't warn about anything else [-Wabi]

[ Comment 1 ](show_bug.cgi?id=86971#c1) Jonathan Wakely  2018-08-16 08:25:13
UTC

    
    
    No, the wording is correct, "anything else" would not make sense.
    
    You need to look at the full output:
    
    cc1plus: warning: -Wabi won't warn about anything [-Wabi]
    cc1plus: note: -Wabi warns about differences from the most up-to-date ABI, which is also used by default
    cc1plus: note: use e.g. -Wabi=11 to warn about changes from GCC 7
    
    
    This has already been fixed on trunk with [r262824](https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=262824)

[ Comment 2 ](show_bug.cgi?id=86971#c2) Alexander Monakov  2018-08-16 08:44:35
UTC

    
    
    I think the wording of the opening line can be made unambiguous, which is probably nice for translators. Can we change it to say e.g.:
    
    cc1plus: warning: -Wabi by itself does not issue any warnings

[ Comment 3 ](show_bug.cgi?id=86971#c3) Jonathan Wakely  2018-08-16 08:47:48
UTC

    
    
    OK so let's change the component back to c++ then.

[ Comment 4 ](show_bug.cgi?id=86971#c4) Richard Biener  2018-08-22 08:10:10
UTC

    
    
    (In reply to Alexander Monakov from [comment #2](show_bug.cgi?id=86971#c2))
    > I think the wording of the opening line can be made unambiguous, which is
    > probably nice for translators. Can we change it to say e.g.:
    > 
    > cc1plus: warning: -Wabi by itself does not issue any warnings
    
    Maybe
    
    cc1plus: warning: -Wabi without specified version does not issue any warnings
    
    ?  Btw, is that true when I use -fabi-version=11 -Wabi?

[ Comment 5 ](show_bug.cgi?id=86971#c5) Jonathan Wakely  2018-08-22 08:52:05
UTC

    
    
    (In reply to Richard Biener from [comment #4](show_bug.cgi?id=86971#c4))
    > ?  Btw, is that true when I use -fabi-version=11 -Wabi?
    
    That will give warnings.
    
    -Wabi (with no =n value) is only useless without an explicit -fabi-version, because it means "warn about incompatibilities with the default -fabi-version". If you don't use -fabi-version then you're using the default, and so there are no differences.

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