[Bug rtl-optimization/25609] too agressive printf optimization

[joseph at codesourcery dot com]

------- Comment #13 from joseph at codesourcery dot com  2006-01-01 22:18 -------
Subject: Re:   New: too agressive printf optimization

On Fri, 30 Dec 2005, drepper at redhat dot com wrote:

> There should at least be a mode in which gcc does not perform the
> transformation if it cannot be sure the pointer is not NULL.  The default for

The mode is -fno-builtin-printf.  The same applies for users with custom 
printf format handlers which modify static variables; they may also need 
to use -fno-builtin-printf.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25609