[Issue 13474] 32 bit DMD optimizer FP arithmetic bug

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13474

--- Comment #6 from Илья Ярошенко <ilyayaroshenko at gmail.com> ---
F foo(F)(F c, F d) {
    c += d;
    c += d;
    return c;
}

void test1() {
    alias F = double;
    enum F d = (cast(F)(2)) ^^ (F.max_exp - 1);
    assert(foo(-d, d) == d);
}

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