https://llvm.org/bugs/show_bug.cgi?id=27671
Bug ID: 27671
Summary: Clang reports copy constructor being implicitly
deleted when it's not called in C++11 mode
Product: clang
Version: 3.5
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: unassignedclangb...@nondot.org
Reporter: wanying...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org,
sig-rnd-sat-clang-b...@synopsys.com
Classification: Unclassified
The following code compiles successfully in Clang 3.4 and GCC 5.2. Clang 3.5
and higher issues an error in C++11 mode.
$ cat test.cpp
struct Base
{
Base();
private:
Base(const Base&);
};
struct D: public Base
{
D(char*) {}
};
void func() {
(void)new D("");
}
$ /opt/pkg/gcc-5.2.0/bin/g++ -c -w -std=c++11 test.cpp
$ /opt/pkg/clang-3.4/bin/clang -c -w -std=c++11 test.cpp
$ /opt/pkg/clang-3.5.0/bin/clang -c -w test.cpp
$ /opt/pkg/clang-3.5.0/bin/clang -c -w -std=c++11 test.cpp
test.cpp:12:13: error: call to implicitly-deleted copy constructor of 'D'
(void)new D("");
^ ~~
test.cpp:7:11: note: copy constructor of 'D' is implicitly deleted because base
class 'Base' has an
inaccessible copy constructor
struct D: public Base
^
1 error generated.
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