[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 41771
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41771&action=edit
Patch candidate

Can you please test the attached patch on Pentium 2 machine?