[svn r292] Fixed: string switch was broken in several ways. Fixed: TypeInfo_Typedef.next was incorrect (return base of base instead of just base). Fixed: ClassInfo offset type info (offTi) had invalid offsets.

module neg;

void main()
{
    int i = 32;
    long l = 55;
    float f = 23;
    double d = 4;
    assert(-i == -32);
    assert(-l == -55);
    assert(-f == -23);
    assert(-d == -4);
}