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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella Netto via Libc-help <libc-help@sourceware.org>
Cc: Abhijit Ray Chaudhury <abhijit.ray.chaudhury@gmail.com>,  Adhemerval
 Zanella Netto <adhemerval.zanella@linaro.org>
Subject: Re: compiling glibc using -fasynchronous-unwind-tables for arm
References: <CAACKNgWuRJCnZHm=G7fcFWDkNq+joeiknM8X_MfUAvSbk210Mg@mail.gmail.com>
	<6c8e0fc6-9e86-6fc7-433f-cf5df16a6b03@linaro.org>
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	<d5ea6a16-646b-3447-6e05-a8884ef1e6b1@linaro.org>
Date: Wed, 15 Mar 2023 15:20:50 +0100
In-Reply-To: <d5ea6a16-646b-3447-6e05-a8884ef1e6b1@linaro.org> (Adhemerval
	Zanella Netto via Libc-help's message of "Wed, 15 Mar 2023 09:59:08
	-0300")
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* Adhemerval Zanella Netto via Libc-help:

> And I have tested with both:
>
> CC="arm-glibc-linux-gnueabihf-gcc -fasynchronous-unwind-tables"
>
> and
>
> CC=arm-glibc-linux-gnueabihf-gcc CFLAGS="-O2 -fasynchronous-unwind-tables"
>
> I also tested with gcc from ubuntu22 to check if this might something
> I haven't enabled on my toolchain (since I don't build all languages),
> but again I did not see any issue.

It probably depends on whether libgcc.a has been built with
optimizations or not.

Thanks,
Florian