royger added a comment.
In https://reviews.llvm.org/D20561#663069, @joerg wrote:
> @royger: Your example is missing explicit alignment. packed has two side
> effects: remove internal padding and set the alignment to 1. That means that
> the offset of base doesn't matter so much because reg itself is not
> necessarily aligned.
Does this means that it's "working as intended" then? I could expect this to
complain when doing something like:
struct __attribute__((__packed__)) bar {
uint64_t x1;
uint16_t x2;
uint64_t x3;
};
&bar->x3;
But not in the previous case.
Repository:
rL LLVM
https://reviews.llvm.org/D20561
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