Wdisabled-optimizations strange warning

Ian Lance Taylor iant@google.com
Wed Aug 31 14:42:00 GMT 2011


"Paulo J. Matos" <paulo@matos-sorge.com> writes:

> With GCC 4.3.4:
> $ echo 'char id[] = "x";' > id_test.c
> $ gcc-4.3.4 -Wdisabled-optimization -c id_test.c
> cc1: warning: -funit-at-a-time is required for inlining of functions
> that are only called once
>
> What's the reason for this warning? GCC46 doesn't emit it so I am
> guessing this is a bug. Anyone agree?

Certainly looks like a bug.

I'm guessing that in gcc 4.3 -Wdisabled-optimization can only be used
with -O.

Ian



More information about the Gcc-help mailing list