Compiling the whole code base with "-O0" is HIGHLY recommended before running
stress tests. This makes the GDB backtrace accurate and without values
optimized out.

Use this diff:
-------
diff --git a/configure.ac b/configure.ac
index d5733b3..8bbb115 100644
--- a/configure.ac
+++ b/configure.ac
@@ -285,7 +285,7 @@ AC_PROG_LEX
 
  AC_DEFUN([AC_PROG_BISON], [AC_CHECK_PROGS(BISON, bison, bison)])
   
   -CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing"
   +CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing -O0"
    
	 DEFAULT_INCLUDES="-I\$(top_srcdir) -I\$(top_builddir) -I\$(top_builddir)/src -I\$(top_builddir)/include -
-------