dmd simple loop disassembly - redundant instruction?

[Ivan Kazmenko]

On Thursday, 26 December 2013 at 08:08:09 UTC, Lionello Lunesu 
wrote:
> You should have said that all instructions are redundant :) 
> Looks like the array got optimized out, but then the optimizer 
> stopped. The ECX likely refers to the 'i' loop variable. When 
> the array write code got optimized out, the compile could have 
> figured out that 'i' was in turn unused as well and remove it 
> too. And then, the foreach, etc...

I added the "return a[7];" part from bearophile's suggestion, but 
that did not change anything in the loop code.  So, my guess is 
that the array does not get optimized out at all.

> You can file backend bugs on the same site.

Thanks, issue created!

https://d.puremagic.com/issues/show_bug.cgi?id=11821

Ivan Kazmenko.