[llvm-bugs] [Bug 42060] New: Placement new operator in OpenCL C++

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https://bugs.llvm.org/show_bug.cgi?id=42060

            Bug ID: 42060
           Summary: Placement new operator in OpenCL C++
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: OpenCL
          Assignee: unassignedclangbugs at nondot.org
          Reporter: drohr at jwdt.org
                CC: anastasia.stulova at arm.com, llvm-bugs at lists.llvm.org

Using a placement new operator yields an error "'default new' is not supported
in OpenCL C++". I see the problem for "new" and for "operator new", but
placement new should simply call the constructor upon the memory that already
exists. So I think this should be allowed. Test case:

class foo
{
int a = 0;
int b = 0;
};

__kernel void test()
{
    foo x;
    new(&x) foo;
}

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