[PATCH v4 02/10] mtrace: Deprecate mallwatch and tr_break

[Tulio Magno Quites Machado Filho]

Siddhesh Poyarekar via Libc-alpha <libc-alpha@sourceware.org> writes:

> The variable and function pair appear to provide a way for users to
> set conditional breakpoints in mtrace when a specific address is
> returned by the allocator.  This can be achieved by using conditional
> breakpoints in gdb so it is redundant.  There is no documentation of
> this interface in the manual either, so it appears to have been a hack
> that got added to debug malloc.  Deprecate these symbols and do not
> call tr_break anymore.

I noticed new build failures on ppc64le after this patch when using GCC 8 and 9.

/tmp/ccg1QEe7.s: Assembler messages:
/tmp/ccg1QEe7.s: Error: `__SImallwatch_0' can't be equated to common symbol `mallwatch'

I can't reproduce the issue when using GCC 10 or newer.

-- 
Tulio Magno