[Issue 5684] Extremely show compile times with large tuples with -O -inline

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5684


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

           What    |Removed                     |Added
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                 CC|                            |clugdbug at yahoo.com.au


--- Comment #1 from Don <clugdbug at yahoo.com.au> 2011-03-03 00:51:08 PST ---
I think this is basically the same issue as bug 4379. Each optimiser pass can
only remove ONE comma expression -- but the entire expression gets traversed
each time.
So, the optimisation time is O(n^^2) where n = depth of comma expressions.

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