http://llvm.org/bugs/show_bug.cgi?id=12194
Bug #: 12194
Summary: incorrect overload resolution result on C++11
container push_*
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++0x
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Overload resolution selects a non-const&& parameter over a const& parameter for
a const argument:
struct X {};
struct L {
void push(const X &);
void push(X &&);
};
struct Y { operator const X() const; };
void f(L l) {
Y y;
l.push(y);
}
This gives:
/home/richardsmith/tmp.cpp:10:10: error: no viable conversion from 'Y' to 'X'
l.push(y);
^
/home/richardsmith/tmp.cpp:1:8: note: candidate constructor (the implicit copy
constructor) not viable: no known conversion from 'Y' to 'const X &' for
1st argument;
struct X {};
^
/home/richardsmith/tmp.cpp:1:8: note: candidate constructor (the implicit move
constructor) not viable: no known conversion from 'Y' to 'X &&' for 1st
argument;
struct X {};
^
/home/richardsmith/tmp.cpp:6:12: note: candidate function
struct Y { operator const X() const; };
^
/home/richardsmith/tmp.cpp:4:17: note: passing argument to parameter here
void push(X &&);
^
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