GDC generates invalid assembly around fiber yield operations (Not re-reading data from clobberedd memory to registers)

[ketmar via D.gnu]

On Thu, 14 May 2015 19:02:48 +0200, Johannes Pfau wrote:

> OTOH I don't know the exact rules for += but intuitively it should first
> evaluate the RHS, then load the LHS.

this is not the case for `~=` (see [1]). yet i believe that there will be 
myriads of reasons from DMD core team to decide that `+=` is very special 
(or `~=` is very special), and consistency sux.


[1] https://issues.dlang.org/show_bug.cgi?id=13670
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