http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52370
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-12-14 Summary|Spurious "may be used |[4.7/4.8/4.9 Regression] |uninitialized" warning for |Spurious "may be used |check of optional argument |uninitialized" warning for | |check of optional argument Ever confirmed|0 |1 --- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- I get the warning with 4.6.4 up to trunk (r205944), but not for 4.5.4. The change occurred between revisions r182107 (2011-12-08) and r182980 (2012-01-07). > That the warning only shows up in 4.7 but not in 4.7.2 is probably due > to the patch for PR 50923. (The warning is only printed for -O1 but not > for -O2 or -O0.) The fix for PR 50923 is in the above range.