Ignored vs Assumed Semantics in BDE

BloombergLP::s_baltst::MySequenceWithChoice::reset() - Ignored

00000000004b6a90 <BloombergLP::s_baltst::MySequenceWithChoice::reset()>:
M0000000000000000:	movl	$4294967295, 4(%rdi)	;  7 bytes
M0000000000000007:	retq		;  1 bytes
M0000000000000008:	nopl	(%rax,%rax)	;  8 bytes