[Bug middle-end/90037] [9 Regression] -Wnull-dereference false positive after r269302

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90037

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
                URL|                            |https://bugzilla.redhat.com
                   |                            |/show_bug.cgi?id=1698478
      Known to work|                            |8.3.0
             Blocks|                            |86172
      Known to fail|                            |9.0

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Bisection points to r269302:

r269302 | rguenth | 2019-03-01 04:21:30 -0500 (Fri, 01 Mar 2019) | 16 lines

2019-03-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/89497
        * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
        argument, defaulted to zero.
        * passes.c (execute_function_todo): Pass down SSA update flags
        to cleanup_tree_cfg.
        * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
        (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
        form if requested.
        (cleanup_tree_cfg): Get and pass down SSA update flags.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172
[Bug 86172] [meta-bug] issues with -Wnull-dereference