Jean Delvare wrote:
v = p->field;
if (!p) return;
can be seen as equivalent to
if (!p) return;
v = p->field;
Heck, no.
You're missing the side-effect of a null pointer dereference crash (for
p->field) (even though v is unused before the return). The optimizer is
not allowed to make exceptions go away as a result of the hoisting.
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