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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/97009] [9/10/11 Regression] Inlining with non-standard
 selected_int_kind leads to errors
Date: Thu, 10 Sep 2020 18:57:48 +0000
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X-Bugzilla-Keywords: wrong-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97009

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |9.4
     Ever confirmed|0                           |1
      Known to fail|                            |11.0
            Summary|Inlining with non-standard  |[9/10/11 Regression]
                   |selected_int_kind leads to  |Inlining with non-standard
                   |errors                      |selected_int_kind leads to
                   |                            |errors
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2020-09-10
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |8.4.1
           Priority|P3                          |P4

--- Comment #2 from anlauf at gcc dot gnu.org ---
It appears to be a combination of inlining and optimizations that are prese=
nt
at -O2 but not at -O1.

OK:

gfc-11 pr97009.f90 -O1 -finline
gfc-11 pr97009.f90 -O2 -fno-inline

Not OK:

gfc-11 pr97009.f90 -O2 -finline

The output in the latter case appears to be random junk.
But valgrind does not show anything for me, nor does ASAN.

Could also be some ME issue.=