https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99969
Bug ID: 99969
Summary: g++ incorrectly thinks a private destructor is
available
Product: gcc
Version: 10.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: Steffen.Kiess at ipvs dot uni-stuttgart.de
Target Milestone: ---
Created attachment 50527
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50527&action=edit
Test case
The attached test case will fail to compile (because g++ chooses thinks the
first overload should match, even though the destructor of C is private and
"delete std::declval<T *>()" therefore should note compile). This is somehow
related to the fact the "decltype(test((C *)nullptr))" is referred to from a
template context before it is used in main() (if the struct S is removed or
moved below the main() function the code will compile).
The problem occurs with gcc 10.2.0 (but also with older versions, at least back
to 4.9).
