Hello,
I’m trying to improve SILNode memory layout density by adopting the AST
bitfield macros. Unfortunately, multiple inheritance doesn’t seem to get along
with anonymous/unnamed unions. Here is a distillation of the problem:
class B {
protected:
int i;
union { int j; };
};
class X : public B { };
class Y : public B { };
class Z : public X, public Y {
int a() { return X::i; } // works
int b() { return X::j; } // fails
};
Is this expected C++ behavior? I can certainly workaround this by naming the
unnamed union, but before I do, I thought that I should check here first.
Thanks,
Dave
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