It took a while but I figured it out. Apple's cc compiles to: a.out: Mach-O 64-bit executable arm64 while my gcc-12 compiles to: a.out: Mach-O 64-bit exe

It took a while but I figured it out. Apple's cc compiles to: a.out: Mach-O 64-bit executable arm64 while my gcc-12 compiles to: a.out: Mach-O 64-bit executable x86_64 which is then emulated via Rosetta.