Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> writes:
> The fundamental cause of this issue is Const node which conveys
> the location of other than constant tokens. Any other nodes, for
> instance TypeCasts, are safe.
> So this is fixed by quite simple way like following getting rid
> of the referred difficulties of keeping the code sane and total
> loss of token locations. (white spaces are collapsed for readability)
Committed with minor adjustments (improved comments, and hit one
additional case you missed)
regards, tom lane