15:26
The stack shuffling stuff is just wrong, so not even working correctly for
DUP_X1. Even forcing collisions gives the following which is very wrong.
R13 = List
R14 = int
OPS: [COPY(R14, R17), COPY(R13, R18), COPY(R17, R13),
R14 int
COPY(R18, R14), COPY(R18, R15)]
R13 list R13 list