[Bug bootstrap/58509] [4.9 regression] ICE in calc_dfs_tree, at dominance.c:397 during Ada runtime build

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58509

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|sparc-linux                 |sparc-*-*
               Host|sparc64-linux               |
           Assignee|unassigned at gcc dot gnu.org      |ebotcazou at gcc dot 
gnu.org
            Summary|[4.9 regression] ICE in     |[4.9 regression] ICE in
                   |calc_dfs_tree, at           |calc_dfs_tree, at
                   |dominance.c:397 breaks Ada  |dominance.c:397 during Ada
                   |bootstrap on sparc64-linux  |runtime build
              Build|sparc-linux                 |
           Severity|normal                      |major

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
An interesting interaction between inlining and the SPARC-specific ldd
peephole.
I have a patch for a couple of days, but I'm exploring another approach first.