Method isGLB

chapter23/src/main/java/com/seaofnodes/simple/type/Type.java:459–459

(boolean mem)

    // Compute greatest lower bound in the lattice.  If values are in memory,
    // ints and floats cannot widen.
    public final boolean isGLB(boolean mem) { return recurClose(recurOpen()._isGLB(mem)); };
    boolean _isGLB(boolean mem) {
        return switch(_type) {
        case TBOT -> false;