[Issue 5455] ICE(cgcod.c): Optimization (register allocation?) regression in DMD 1.065

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5455



--- Comment #2 from Don <clugdbug at yahoo.com.au> 2011-01-17 11:44:32 PST ---
This is amazing. I have never before seen such an irreducible test case.
Here's the best I've been able to do.
-----
void thrw(Data *s) {
    throw new Exception("xxx");
}

struct Data {
    Rapper *w;
    uint n, m;
}

struct Rapper {
    ubyte * dat;
    ubyte[] con() {
        return dat[0..1];
    }
}

uint jaz(ubyte[] data) {
    return data.length;
}

struct Resp {
    void set(Data *data, string[] soup) {
        switch(soup[0]) {
            default:
        }
        uint[] f = [jaz(data.w ? data.w.con[data.n ..data.m] : null), data.m -
data.n];
        thrw(data);
    }
}

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