[llvm-bugs] [Bug 44175] unused member variable causes code to compile for member to function for undefined function
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Dec 3 07:39:04 PST 2019
https://bugs.llvm.org/show_bug.cgi?id=44175
David Blaikie <dblaikie at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|NEW |RESOLVED
--- Comment #2 from David Blaikie <dblaikie at gmail.com> ---
Yeah, I'm going to resolve this as invalid - seems GCC and Clang both accept
the code, and it boils down to something like this:
struct Bad { };
template <typename T>
struct is_Foo {
void (T::*hello)(int) = &T::hello;
constexpr static bool value=true;
};
int main() {
return is_Foo<Bad>::value;
}
- instantiating the class and the static member 'value', doesn't instantiate
the non-static members.
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