[Bug target/91135] [9/10 Regression] __linux__ not defined with -mcall-aixdesc on 9.x and ppc64

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91135

Alan Modra <amodra at gmail dot com> changed:

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                 CC|                            |amodra at gmail dot com

--- Comment #9 from Alan Modra <amodra at gmail dot com> ---
> -mcall-aixdesc is the *default* for powerpc64-linux.

Not quite.  -mcall-aixdesc turns on generation of dot-symbols.  We dispensed
with them on powerpc64-linux almost 15 years ago.