Ignored vs Assumed Semantics in BDE

BloombergLP::s_baltst::MySequenceWithChoice::~MySequenceWithChoice() - Assumed

00000000004b6770 <BloombergLP::s_baltst::MySequenceWithChoice::~MySequenceWithChoice()>:
M0000000000000000:	cmpl	$0, 4(%rdi)	;  4 bytes
M0000000000000004:	movl	$4294967295, 4(%rdi)	;  7 bytes
M000000000000000b:	retq		;  1 bytes
M000000000000000c:	nopl	(%rax)	;  4 bytes