Hi, Please take a look at the attached patch and let me know your comments.
Thanks.
Qing
gcc/ChangeLog:
2020-04-03 qing zhao <qing.z...@oracle.com>
* common.opt: Add -flocation-ranges.
* doc/invoke.texi: Document it.
* toplev.c (process_options): set line_table->default_range_bits
to 0 when flag_location_ranges is false.
PR94230.patch
Description: Binary data
> Begin forwarded message: > > From: Qing Zhao via Gcc-patches <gcc-patches@gcc.gnu.org> > Subject: [PATCH][gcc][PR94230]provide an option to change the size limitation > for -Wmisleading-indent > Date: April 3, 2020 at 2:55:53 PM CDT > To: dmalc...@redhat.com, ja...@redhat.com > Cc: gcc-patches@gcc.gnu.org > Reply-To: Qing Zhao <qing.z...@oracle.com> > > Hi, David and Jakub, > > Per the discussion we had for PR94230: provide an option to change the size > limitation for -Wmisleading-indent > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94230 > <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94230> > > I come up with the following simple patch per David’s suggestion: > > Provide a new first class option -flocation-ranges to control > enabling/disablng range tracking when recording source locations. > The default value for this option is enabling the range tracking. > > When specify -fno-location-ranges, disable the range tracking to save space > for column tracking. > > I have tested this GCC to build our huge application by adding > -fno-location-ranges, the whole build completed without any issue. and > -Wmisleading-indent also emitted several helpful warning message during > building. > > I am running bootstrap right now. > > Could you please take a look at the attached patch? > > thanks. > > Qing > > > >
