Ignored vs Assumed Semantics in BDE

BloombergLP::ball::UserFieldValue::type() const - Assumed

00000000004484e0 <BloombergLP::ball::UserFieldValue::type() const>:
M0000000000000000:	movl	48(%rdi), %eax	;  3 bytes
M0000000000000003:	retq		;  1 bytes
M0000000000000004:	nopw	%cs:(%rax,%rax)	; 10 bytes
M000000000000000e:	nop		;  2 bytes