Masm 'uses' keyword and two return paths

From: flekso (taurus_at_email.hinet.hr)
Date: 04/28/04 

Date: Wed, 28 Apr 2004 15:01:07 +0000 (UTC)

What happens if ax=FFFFh ? If the first return is taken will the
stack/registry unwind happen ?

TestProc proc c uses bx dx ;ax=param
    add ax, 1

    .if !carry?
        mov bx, ax
    .else
        mov dx, ax
        ret ; first ret
    .endif

    mov dx, bx

    ret ;second ret
TestProc endp