https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119028
Xi Ruoyao <xry111 at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |xry111 at gcc dot gnu.org Resolution|--- |INVALID --- Comment #2 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- You should use -lm if calling sqrt. Invalid as explained.