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From: | Eli Zaretskii |
Subject: | Re: My Emacs unicode 2 crash again when I do some *Replace String (M-%)*, I give the debug informations under gdb in the attachments. |
Date: | Fri, 09 Mar 2007 17:56:31 +0200 |
> From: Andreas Schwab <address@hidden> > Cc: Miles Bader <address@hidden>, address@hidden > Date: Fri, 09 Mar 2007 16:26:03 +0100 > > Eli Zaretskii <address@hidden> writes: > > > To be user-friendlier to developers who want to debug optimized code. > > GCC gives all information it has to the debugger. It's up to the debugger > to make best use of it. But GCC can't invent information that does not > exist any more. An incoming argument register that is subsequently > resused for something different simply does not contain the original value > any more. I wasn't arguing that GCC had bugs in how it produces the debug info. I was arguing that there's no practical way for me to see a usable backtrace in an optimized program. No matter how you turn it, this remains a sad fact.
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