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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/107753] gfortran returns NaN in complex divisions
 (x+x*I)/(x+x*I) and (x+x*I)/(x-x*I)
Date: Fri, 18 Nov 2022 19:50:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107753

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-11-18
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed if compiled without optimization (-O0,-Og) on x86_64-pc-linux-gnu.

If I compile with -O, I get:

   (1.79769313486231571E+308,1.79769313486231571E+308)
   (8.98846567431157954E+307,8.98846567431157954E+307)
   (4.49423283715578977E+307,4.49423283715578977E+307)
               (1.0000000000000000,0.0000000000000000)
               (1.0000000000000000,0.0000000000000000)
               (1.0000000000000000,0.0000000000000000)=