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D.gnu - [Bug 198] New: Optimization makes incorrect results

Date: Sat, 5 Sep 2015 09:50:06 +0100
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            Bug ID: 198
           Summary: Optimization makes incorrect results
           Product: GDC
           Version: 4.9.x
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: critical
          Priority: Normal
         Component: gdc
          Assignee: ibuclaw gdcproject.org
          Reporter: alex sunopti.com

Created attachment 88
  --> http://bugzilla.gdcproject.org/attachment.cgi?id=88&action=edit
A source file that shows the bug

I have reduced the example code as much as I can without making the bug
If it is compiled with
gdc vector.d
I get :
f() = [1,2,3]

If it is compiled with 
gdc -O vector.d
I get :
f() = [nan, nan, nan]

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Sep 05 2015