BoringSSL: roll DEPS and enable dynamic visibility.

third_party/boringssl/win-x86_64/crypto/bn/x86_64-mont.asm

 OPTION  DOTNAME
-.text$  SEGMENT ALIGN(64) 'CODE'
+.text$  SEGMENT ALIGN(256) 'CODE'
 
 EXTERN  OPENSSL_ia32cap_P:NEAR
 
 PUBLIC  bn_mul_mont
 
 ALIGN   16
 bn_mul_mont     PROC PUBLIC
         mov     QWORD PTR[8+rsp],rdi    ;WIN64 prologue
         mov     QWORD PTR[16+rsp],rsi
         mov     rax,rsp
@@ skipping 574 matching lines @@
         jnz     $L$sub4x
 
         mov     QWORD PTR[r14*8+rdi],rax
         mov     rax,QWORD PTR[32+r14*8+rsi]
         sbb     rbx,QWORD PTR[16+r14*8+rcx]
         mov     QWORD PTR[8+r14*8+rdi],rdx
         sbb     rbp,QWORD PTR[24+r14*8+rcx]
         mov     QWORD PTR[16+r14*8+rdi],rbx
 
         sbb     rax,0
-DB 66h, 48h, 0fh, 6eh, 0c0h
+        movq    xmm0,rax
         punpcklqdq      xmm0,xmm0
         mov     QWORD PTR[24+r14*8+rdi],rbp
         xor     r14,r14
 
         mov     r15,r9
         pxor    xmm5,xmm5
         jmp     $L$copy4x
 ALIGN   16
 $L$copy4x::
         movdqu  xmm2,XMMWORD PTR[r14*1+rsp]
@@ skipping 25 matching lines @@
         mov     rbp,QWORD PTR[32+rsi]
         mov     rbx,QWORD PTR[40+rsi]
         lea     rsp,QWORD PTR[48+rsi]
 $L$mul4x_epilogue::
         mov     rdi,QWORD PTR[8+rsp]    ;WIN64 epilogue
         mov     rsi,QWORD PTR[16+rsp]
         DB      0F3h,0C3h               ;repret
 $L$SEH_end_bn_mul4x_mont::
 bn_mul4x_mont   ENDP
 EXTERN  bn_sqr8x_internal:NEAR
-EXTERN  bn_sqrx8x_internal:NEAR
 
 
 ALIGN   32
 bn_sqr8x_mont   PROC PRIVATE
         mov     QWORD PTR[8+rsp],rdi    ;WIN64 prologue
         mov     QWORD PTR[16+rsp],rsi
         mov     rax,rsp
 $L$SEH_begin_bn_sqr8x_mont::
         mov     rdi,rcx
         mov     rsi,rdx
@@ skipping 283 matching lines @@
 DB      9,0,0,0
         DD      imagerel mul_handler
         DD      imagerel $L$mul4x_body,imagerel $L$mul4x_epilogue
 $L$SEH_info_bn_sqr8x_mont::
 DB      9,0,0,0
         DD      imagerel sqr_handler
         DD      imagerel $L$sqr8x_body,imagerel $L$sqr8x_epilogue
 
 .xdata  ENDS
 END