[Bug tree-optimization/107021] [13 Regression] 511.povray_r error with -Ofast -march=znver2 -flto since r13-2810-gb7fd7fb5011106

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107021

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-09-26

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Yep, it exits here:

#0  __GI_exit (status=1) at exit.c:142
#1  0x00000000002b0961 in povray_exit (i=1) at
/home/marxin/Programming/cpu2017/benchspec/CPU/511.povray_r/build/build_peak_gcc-m64.0002/povray.cpp:486
#2  0x00000000002e3ede in pov::Error (format=<optimized out>) at
/home/marxin/Programming/cpu2017/benchspec/CPU/511.povray_r/build/build_peak_gcc-m64.0002/userio.cpp:365
#3  0x0000000000270f16 in pov::Parse_Camera (Camera_Ptr=<optimized out>) at
/home/marxin/Programming/cpu2017/benchspec/CPU/511.povray_r/build/build_peak_gcc-m64.0002/parse.cpp:1423
#4  0x000000000028083f in pov::Parse_Frame () at
/home/marxin/Programming/cpu2017/benchspec/CPU/511.povray_r/build/build_peak_gcc-m64.0002/parse.cpp:6125
#5  0x00000000002c0557 in pov::Parse () at
/home/marxin/Programming/cpu2017/benchspec/CPU/511.povray_r/build/build_peak_gcc-m64.0002/parse.cpp:289

parse.cpp contains:

where New->Angle is infinite as assigned here:
1180            New->Angle = HUGE_VAL;

#if __GNUC_PREREQ (3, 3)
# define HUGE_VAL (__builtin_huge_val ())
#else