Debug optimized code

Stephan Ceram <linuxkaffee_@_gmx.net>
16 Sep 2008 21:37:34 GMT

          From comp.compilers
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From: Stephan Ceram <linuxkaffee_@_gmx.net>
Newsgroups: comp.compilers
Date: 16 Sep 2008 21:37:34 GMT
Organization: Compilers Central
Keywords: debug, question
Posted-Date: 17 Sep 2008 04:12:59 EDT

Hi,


I've a question about compilers' symbolic debugging information (like
DWARF2) and compiler optimizations. Should the code be always compiled
without any optimizations, i.e. -O0, to get accurate debug information
where all source code line number are correct or would I also get accurate
results for higher optimization levels? Usually, at least -O1 does
not modify the code too much, so I would assume that this optimization
level could be applied for a successful debugging afterwards.
What are you experiences?


Regards,
Stephan


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