=> 0x7fc87ab16f28 <g_utf8_validate+456>:	movzbl (%rdi),%r8d
   0x7fc87ab16f2c <g_utf8_validate+460>:	mov    %rdi,%rcx
   0x7fc87ab16f2f <g_utf8_validate+463>:	test   %r8b,%r8b
   0x7fc87ab16f32 <g_utf8_validate+466>:	jne    0x7fc87ab16f52 <g_utf8_validate+498>
   0x7fc87ab16f34 <g_utf8_validate+468>:	jmpq   0x7fc87ab16de0 <g_utf8_validate+128>
   0x7fc87ab16f39 <g_utf8_validate+473>:	nopl   0x0(%rax)
   0x7fc87ab16f40 <g_utf8_validate+480>:	movzbl 0x1(%rax),%r8d
   0x7fc87ab16f45 <g_utf8_validate+485>:	lea    0x1(%rax),%rcx
   0x7fc87ab16f49 <g_utf8_validate+489>:	test   %r8b,%r8b
   0x7fc87ab16f4c <g_utf8_validate+492>:	je     0x7fc87ab16de0 <g_utf8_validate+128>
   0x7fc87ab16f52 <g_utf8_validate+498>:	test   %r8b,%r8b
   0x7fc87ab16f55 <g_utf8_validate+501>:	movzbl (%rcx),%r9d
   0x7fc87ab16f59 <g_utf8_validate+505>:	mov    %rcx,%rax
   0x7fc87ab16f5c <g_utf8_validate+508>:	jns    0x7fc87ab16f40 <g_utf8_validate+480>
   0x7fc87ab16f5e <g_utf8_validate+510>:	mov    $0xffffffe0,%r8d
   0x7fc87ab16f64 <g_utf8_validate+516>:	and    %r9d,%r8d