https://llvm.org/bugs/show_bug.cgi?id=30844
Bug ID: 30844
Summary: Using override on a overridden destructor produces an
error
Product: clang
Version: 3.8
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: unassignedclangb...@nondot.org
Reporter: vanboxem.ru...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
This code:
class Base
{
virtual ~Base() = default;
};
class Derived : public Base
{
~Derived() override = default;
};
Produces this nonsensical error:
main.cpp:9:5: error: deleted function '~Derived' cannot override a non-deleted
function
~Derived() override = default;
^
main.cpp:4:13: note: overridden virtual function is here
virtual ~Base() = default;
^
1 error generated.
This is just plain wrong. GCC accepts this code. Override is possible on a
virtual destructor, and is a useful tool to actually detect if the destructor
of inherited classes is properly virtual (although the check only goes one
level deep).
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