https://bugs.llvm.org/show_bug.cgi?id=43006
Bug ID: 43006
Summary: NRVO does not happen for template function with return
type deduction
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: nok.ra...@gmail.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
struct X
{
X();
X(X&&);
};
template <int>
decltype(auto) foo()
{
X x;
return x;
}
template decltype(auto) foo<0>();
GCC and MSVC does not have such a limitation https://gcc.godbolt.org/z/dSWI4m
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