[Issue 8498] modifying foreach range iterator fails in CTFE

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8498


Don <clugdbug at yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |CTFE, wrong-code
                 CC|                            |clugdbug at yahoo.com.au
            Summary|inconsistent foreach        |modifying foreach range
                   |behaviour in CTFE and at    |iterator fails in CTFE
                   |runtime                     |


--- Comment #1 from Don <clugdbug at yahoo.com.au> 2012-09-03 00:52:40 PDT ---
Here's a reduced test case. There are 10 iterations, even though the iteration
variable is changed.

int fun(){
    int r=0;
    foreach(i;0..10) {
       ++r;
       i= 100; 
       assert(i==100); // ok  -- but doesn't affect the foreach
    }
    return r;
}
static assert(fun() == 1);


Interestingly this is in direct conflict with enhancement bug 6214, which asks
for the behaviour we see in CTFE to be used at run time.

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