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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/103406] gcc -O0 behaves differently on "DBL_MAX related
 operations" than gcc -O1 and above
Date: Wed, 24 Nov 2021 11:54:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103406

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2021-11-24

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Already .original at -O0 has

    double x =3D -0.0;
    double y =3D 0.0;
    double z =3D x + y;
  printf ((const char * restrict) "%lf\n", z);=