http://llvm.org/bugs/show_bug.cgi?id=13470
Bug #: 13470
Summary: [Xcode 4.4] non-static initialization in templates
wrongly calls move constructor
Product: new-bugs
Version: 3.1
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Non-static initialization in template classes seems to calls move constructor
rather than the normal constructor.
Example Code:
----------------------------------------
#include <iostream>
#include <atomic>
//
// This class can compile
//
class Working
{
public:
int GetValue() { return value_; }
private:
std::atomic<int> value_{0};
};
//
// This class cannot compile
//
template <typename Ty1>
class NotWorking
{
public:
int GetValue() { return value_; }
private:
std::atomic<int> value_{0}; // <---- error here
};
int main(int argc, const char * argv[])
{
Working working;
NotWorking<int> not_working;
return 0;
}
Error Code By Xcode 4.4
-----------------------
"Copying member subobject of type 'std::atomic<int>' invokes deleted
constructor"
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