https://issues.dlang.org/show_bug.cgi?id=13474
--- Comment #8 from yebblies <yebbl...@gmail.com> ---
(In reply to Илья Ярошенко from comment #6)
> 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);
> }
That doesn't fail for me on win32 with -O.
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