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Description
The following code warns onguard2 andguard3 (but not guard) despite all 3 variable having side effects on destruction.
This feels inconsistent and surprising.
GCC emits no warning in any of these cases.
structRAIIWrapper {RAIIWrapper();~RAIIWrapper();};voidfoo() {autoconst guard =RAIIWrapper();autoconst& guard2 =RAIIWrapper();//unused variable 'guard2'auto && guard3 =RAIIWrapper();//unused variable 'guard3'}