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Re: [PATCH] Fix PR90316
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Thomas Schwinge <thomas at codesourcery dot com>
- Cc: Richard Biener <rguenther at suse dot de>, gcc-patches at gcc dot gnu dot org, Richard Sandiford <richard dot sandiford at arm dot com>
- Date: Wed, 30 Oct 2019 12:19:28 +0100
- Subject: Re: [PATCH] Fix PR90316
- References: <alpine.LSU.2.20.1905031324400.10704@zhemvz.fhfr.qr> <alpine.LSU.2.20.1905031504590.10704@zhemvz.fhfr.qr> <mpt7eb6wtmg.fsf@arm.com> <alpine.LSU.2.20.1905061135580.10704@zhemvz.fhfr.qr> <87h83qsdpz.fsf@euler.schwinge.homeip.net>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Wed, Oct 30, 2019 at 11:57:12AM +0100, Thomas Schwinge wrote:
> ..., and when building gcc-9-branch with
> '--enable-checking=yes,extra,rtl' (apparently I'm the only one doing
> that, huh?), runs into the following (at least I suppose that's what's
I'm testing release branches with
../configure --enable-languages=default,ada,obj-c++,lto,go,brig,d --enable-checking=yes,rtl,extra
too, and saw (last time I've bootstrapped/regtested gcc-9-branch
this way was Oct 21st though):
../../gcc/machmode.h: In function ‘dw_loc_descr_node* mem_loc_descriptor(rtx, machine_mode, machine_mode, var_init_status)’:
../../gcc/machmode.h:520:42: warning: ‘int_mode’ may be used uninitialized in this function [-Wmaybe-uninitialized]
520 | ? mode_size_inline (mode) : mode_size[mode]);
| ^~~~
../../gcc/dwarf2out.c:15464:19: note: ‘int_mode’ was declared here
15464 | scalar_int_mode int_mode, inner_mode, op1_mode;
| ^~~~~~~~
and no fatal error. Are you using --enable-werror or something similar
in addition?
Jakub