Examples of short programs showing --O3 wrong results

From: Herman D. Knoble (SkipKnobleLESS_at_SPAMpsu.DOT.edu)
Date: 11/30/04 

Date: Tue, 30 Nov 2004 11:24:46 -0500

I'm looking for small compilable/runable Fortran source (Fortran 77 or 90)
that by example exhibit that Optimization level 3 compiler option
(regardless of compiler vendor)
generates code that is not safe (will give wrong answers).

Many thanks for your help.
Skip Knoble

   Herman D. (Skip) Knoble, Research Associate
   (a computing professional for 38 years)
   Email: SkipKnobleLESS at SPAMpsu dot edu
   Web: http://www.personal.psu.edu/hdk
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