Function invoke_signed_unchecked 

pub unsafe fn invoke_signed_unchecked(
    instruction: &InstructionView<'_, '_, '_, '_>,
    accounts: &[CpiAccount<'_>],
    signers_seeds: &[Signer<'_, '_>],
) -> ProgramResult

Invoke a signed CPI without borrow validation.

Safety

The caller must ensure no account data borrows conflict with the CPI.