Ignored vs Assumed Semantics in BDE

BloombergLP::s_baltst::Colors::toString(BloombergLP::s_baltst::Colors::Value) - Assumed

0000000000406870 <BloombergLP::s_baltst::Colors::toString(BloombergLP::s_baltst::Colors::Value)>:
M0000000000000000:	movslq	%edi, %rax	;  3 bytes
M0000000000000003:	movq	5195816(,%rax,8), %rax	;  8 bytes
M000000000000000b:	retq		;  1 bytes
M000000000000000c:	nopl	(%rax)	;  4 bytes