------- Comment #1 from manu at gcc dot gnu dot org 2009-01-24 16:05 -------
I am almost sure that this is CCP again assuming that the undefined value is
the same as the constant assigned, hence x++ is converted to 0++. This can be
checked using -fdump-tree-all-all-lineno.
If so, a duplicate of bug 18501.
--
manu at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |manu at gcc dot gnu dot org
OtherBugsDependingO| |24639
nThis| |
Summary|No warning when using unset |No warning when using
|variable |uninitialized variable
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38945
