https://llvm.org/bugs/show_bug.cgi?id=24227
Bug ID: 24227
Summary: Bug when moving from one side of a ternary operator.
Product: clang
Version: 3.6
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
#include <iostream>
#include <utility>
struct printer {
printer() { }
printer(const printer&) { std::cout << "copy" << std::endl; }
printer(printer&&) { std::cout << "move" << std::endl; }
printer(const printer&&) { std::cout << "const rvalue ref" << std::endl; }
};
int main() {
const printer fst;
printer snd;
false ? fst : std::move(snd); // Prints: const rvalue ref
}
The ternary operator should move out of snd into a temporary according to the
standard.
See:
http://stackoverflow.com/questions/31577762/moving-out-of-one-side-of-a-ternary-operator
and section 5.16.3 of the standard.
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