[Bug c++/127230] New: float.h and cfloat missing INFINITY

[luigighiron at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127230

            Bug ID: 127230
           Summary: float.h and cfloat missing INFINITY
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: luigighiron at gmail dot com
  Target Milestone: ---

The following code is incorrectly rejected by GCC:

#include<cfloat>
int main(){
    INFINITY;
}

https://godbolt.org/z/Gh9scqTn9

See also PR69462 which was about DECIMAL_DIG and FLT_EVAL_METHOD.