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D.gnu - [Bug 125] New: Optimizer produces faulty code

Date: Fri, 16 May 2014 15:35:27 +0100
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            Bug ID: 125
           Summary: Optimizer produces faulty code
           Product: GDC
           Version: development
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gdc
          Assignee: ibuclaw gdcproject.org
          Reporter: ketmar ketmar.no-ip.org

Created attachment 67
  --> http://bugzilla.gdcproject.org/attachment.cgi?id=67&action=edit

gdc -O1 and gdc -O2 produces faulty code for Adam Ruppe's jsvar.d.

how to reproduce:

get jsvar.d from here: https://github.com/adamdruppe/arsd/blob/master/jsvar.d

comment out line 47 (version=new_std_json;)

compile attached sample with -O0 and run it. it works ok.

compile attached sample with -O1 (or -O2) and run it. it segfaults.

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May 16 2014