[Bug c++/78209] New: rvalue reference binding to an lvalue accepted
trippels at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Nov 4 14:07:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78209
Bug ID: 78209
Summary: rvalue reference binding to an lvalue accepted
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: accepts-invalid
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: jason at gcc dot gnu.org
Target Milestone: ---
This came up on the isocpp mailing list yesterday:
markus@x4 /tmp % cat test.ii
int main() {
int &&i = 0;
decltype(auto) j = i;
return j;
}
markus@x4 /tmp % clang++ test.ii
test.ii:3:18: error: rvalue reference to type 'int' cannot bind to lvalue of
type 'int'
decltype(auto) j = i;
^ ~
1 error generated.
markus@x4 /tmp % icpc test.ii
test.ii(3): error: an rvalue reference cannot be bound to an lvalue
decltype(auto) j = i;
^
compilation aborted for test.ii (code 2)
markus@x4 /tmp % g++ -Wall -Wextra test.ii
markus@x4 /tmp %
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