if n.Post != nil {
			s.stmt(n.Post)
		}
		if b := s.endBlock(); b != nil {
			b.AddEdgeTo(bCond)
			// It can happen that bIncr ends in a block containing only VARKILL,
			// and that muddles the debugging experience.
			if b.Pos == src.NoXPos {
				b.Pos = bCond.Pos
			}
		}

		s.startBlock(bEnd)

	case ir.OSWITCH, ir.OSELECT:

		// of a potentially large number of modules with no way to save version
		// information. We can succeed slowly (but not reproducibly), but that's
		// not usually a good experience.
		//
		// Instead, we forbid resolving import paths to modules other than std and
		// cmd. Users may still build packages specified with .go files on the

	end, endOK := encodeValue(ctxt, f.Entry.ID, en)
	if !startOK || !endOK {
		// This could happen if someone writes a function that uses
		// >65K values on a 32-bit platform. Hopefully a degraded debugging
		// experience is ok in that case.
		return nil, 0
	}
	list = appendPtr(ctxt, list, start)
	list = appendPtr(ctxt, list, end)

	// Where to write the length of the location description once
	// we know how big it is.

	// In GOROOT, we enable all the vet tests during 'go test',
	// not just the high-confidence subset. This gets us extra
	// checking for the standard library (at some compliance cost)
	// and helps us gain experience about how well the checks
	// work, to help decide which should be turned on by default.
	// The command-line still wins.
	//
	// Note that this flag change applies even when running vet as