> For this, I used the Godbolt compiler explorer.

> Ah-ha! The generated instructions were ever so slightly different. This would be great news, if it wasn't for me forgetting about one little detail: I have zero knowledge of x86 assembly.

Lol'd at this. I've been there: "ah hah! I found you. hrm, now what does this mean..."

TFA makes me thankful my work doesn't involve C / C++. Learning it earlier in life was enough.