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Date: Thu, 23 Mar 2006 19:17:00 -0000
From: "Jim Blandy" <jimb@red-bean.com>
To: "Erming Pei" <epei@cppm.in2p3.fr>
Subject: Re: Why GDB always jumps in and jumps out and seems uncontrollable?
Cc: choo@actcom.co.il, bug-gdb@gnu.org, mato@nz.eds.com,  	mcelrath@draal.physics.wisc.edu, gdb@sourceware.org
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Try compiling your program without optimization, and then debugging that.

Inlining and instruction scheduling can make it hard to correlate the
behavior of the compiled program with that of the source program.