void ex::construct_from_basic(const basic & other)
{
if (!(other.flags & status_flags::evaluated)) {
- const ex & tmpex(other.eval(1)); // evaluate only one (top) level
+ const ex & tmpex = other.eval(1); // evaluate only one (top) level
bp = tmpex.bp;
GINAC_ASSERT(bp->flags & status_flags::dynallocated);
++bp->refcount;