Global variable in static library - double free or corruption error
Andrew Haley
aph@redhat.com
Fri Oct 22 21:24:00 GMT 2010
On 10/22/2010 04:46 PM, Alexey Skidanov wrote:
>
> Do you mean, once I break the ODR the further behaviour is unexpected?
Certainly not. Once you break the ODR you have undefined behaviour, so
there is no behaviour that is really unexpected.
> You are right. I break it. And I would like to get linker/loader error/warning
> as I get linking two object files with the same global variable defined in each
> file ( "Symbol zzz already defined" or something like that).
Mmm, but you'd get false positives for places it's done deliberately.
Some thread libraries, for example, contain thread-safe versions of
system library functions.
Andrew.
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