[Bug c++/62172] Operand to a throw expression is moved when it should be copied
ville.voutilainen at gmail dot com
gcc-bugzilla@gcc.gnu.org
Mon Aug 18 16:02:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62172
Ville Voutilainen <ville.voutilainen at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-08-18
CC| |ville.voutilainen at gmail dot com
Ever confirmed|0 |1
--- Comment #1 from Ville Voutilainen <ville.voutilainen at gmail dot com> ---
Reduced:
#include <cassert>
int move_count = 0;
struct X {
X() = default;
X(const X&) = default;
X(X&&) {++move_count;}
};
int main()
{
X x;
try {throw x;}
catch (X&) {}
assert(move_count==0);
}
Asserts on gcc, doesn't assert on clang.
More information about the Gcc-bugs
mailing list