Changed the handling of variadic intrinsics a bit. Removed the -fp80 option and made real be 80bit floats on X86, this is what the D spec really says it should be and fixes a bunch of issues. Changed the handling of parameter attributes to a bit more generalized approach. Added sext/zext attributes for byte/short/ubyte/ushort parameters, fixes #60 . Parameter attribs now properly set for intrinsic calls if necessary. Made the tango.math.Math patch less intrusive. Fixed/added some mini tests.

module mini.norun_debug2;

import tango.stdc.stdlib : rand;

void main()
{
    size_t iter;
    while (iter < 25)
    {
        if (rand() % 20 == 10)
            *cast(int*)null = 0;
        ++iter;
    }
    assert(0);
}