[Bug c/39330] Bad program bahavior with -O2 optimization in plain C

[adeymo at dc dot uba dot ar]

------- Comment #1 from adeymo at dc dot uba dot ar  2009-03-01 05:05 -------
Created an attachment (id=17379)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17379&action=view)
Testcase with debug information and explanation

Compile with:
gcc -save-temps -O2 -Wall -Werror xqsort.c -o xqsort




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39330