On 18 November 2011 18:35, David Nadlinger <[email protected]> wrote:
> Some of the changes since the last release caused a regression in CTFE:
> ---
> import std.conv;
> enum short a = 1000;
> enum b = to!string(a);
> ---
> now fails with:
> ---
> CTFE internal error: unsupported assignment cast(uint)cast(int)n /= base
> Assertion failed: (e1->op == TOKarraylength || e1->op == TOKvar || e1->op ==
> TOKdotvar || e1->op == TOKindex || e1->op == TOKslice), function
> interpretAssignCommon, file interpret.c, line 3343.
> ---
>
> As it probably clear to you what's happening here anyway, Don, I didn't
> reduce it any further so far. This is the corresponding source line:
> https://github.com/D-Programming-Language/phobos/blob/master/std/format.d#L1105
Reduced test case. This has never worked in CTFE, so it's a change to
Phobos that exposed it. The fix is simple.
int regress()
{
ubyte n = 6;
n /= 2u;
return n;
}
static assert(regress()==3);
>
> David
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>
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