http://d.puremagic.com/issues/show_bug.cgi?id=9387



--- Comment #19 from github-bugzilla@puremagic.com 2013-01-30 17:18:24 PST ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/06d991f039eab23561398aea4ea764ea49a6dea4 fix Issue 9387 - Compiler switch -O changes behavior of correct code

https://github.com/D-Programming-Language/dmd/commit/9f3ab3f0b4713bd12a3ada71ca783bab1edae663 Merge pull request #1584 from WalterBright/b45

fix Issue 9387 - Compiler switch -O changes behavior of correct code

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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--- Comment #20 from Don <clugdbug@yahoo.com.au> 2013-01-31 00:52:53 PST ---
> Don and Walter, thanks for reducing the code and fixing the bug, all on a very
short timescale!

Thanks. Optimizer bugs get top priority, and this was the one of the worst bugs
of all time. I found test cases where the executable was wrong, yet still
produced correct results in 90% of runs.
I don't think I've ever seen a bug that was so difficult to reduce.

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