// if (ins instanceof ASTORE) ...
if (opcode == Constants.JSR || opcode == Constants.JSR_W) {
// Find JSR subroutine, add it to subroutine work list if
// we haven't built a CFG for it yet
JsrInstruction jsr = (JsrInstruction) ins;
InstructionHandle jsrTarget = jsr.getTarget();
Subroutine jsrSubroutine = jsrSubroutineMap.get(jsrTarget);
if (jsrSubroutine == null) {
jsrSubroutine = new Subroutine(jsrTarget);
jsrSubroutineMap.put(jsrTarget, jsrSubroutine);
subroutineWorkList.add(jsrSubroutine);