Flang is manually mangling names for memset/memcpy/memmove intrinsics, so we need to update the mangling to use the opaque pointer format (p0 instead of p0i8).
Flang is manually mangling names for memset/memcpy/memmove intrinsics, so we need to update the mangling to use the opaque pointer format (p0 instead of p0i8).