[Bug rtl-optimization/64287] [5 Regression] Disable -fuse-caller-save when -pg is active

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64287

--- Comment #1 from vries at gcc dot gnu.org ---
AFAIK, Radovan (radovan.obrado...@imgtec.com) is working on this.