shafik added inline comments.
================
Comment at: lldb/source/Symbol/Type.cpp:378
m_byte_size_has_value = true;
+ return m_byte_size;
}
----------------
labath wrote:
> davide wrote:
> > shafik wrote:
> > > Wouldn't it be better to turn `m_byte_size` into an `Optional`? As this
> > > fix shows this having this additional state we carry around is error
> > > prone.
> > This is a much larger project, probably worth considering.
> > With that in mind, it wouldn't have prevented this bug from happening, as
> > this falls through and returns an `Optional<T>` anyway.
> > Yay fuzz testing (that found this), I would say.
> IIRC, this was done this way to reduce sizeof(Type). Note that the external
> interface is Optional<uint64_t> and the only place that knows (should know?)
> about this encoding is this function.
It would have prevented this bug as you just return `m_byte_size` no matter
what.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D86436/new/
https://reviews.llvm.org/D86436
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