[Bug rtl-optimization/52490] RTL DCE removes trapping const libcalls

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52490

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |6.4.0, 7.4.0, 8.1.0
      Known to work|                            |7.5.0, 8.2.0

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You need also -fno-delete-dead-exceptions not to remove them in newer versions
for the gimple level.