https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20968
Bug 20968 depends on bug 36550, which changed state.
Bug 36550 Summary: Wrong "may be used uninitialized" warning (conditional PHIs)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36550
What|Removed |Added
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20968
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
CC|
--- Comment #8 from davidxl at gcc dot gnu dot org 2010-04-21 00:27 ---
(In reply to comment #2)
> Note this is not fully a regression but really a progression.
> What is happening now is only partial optimizations is happen before the
> warning to happen.
>
> >I was unable to reduce t
--- Comment #7 from manu at gcc dot gnu dot org 2009-12-30 16:59 ---
*** Bug 42145 has been marked as a duplicate of this bug. ***
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manu at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #6 from manu at gcc dot gnu dot org 2009-02-07 16:27 ---
This is just another case that would require conditional PHIs. I am not marking
it as a duplicate of bug 36550, because this case is harder than then typical:
if(q) p=1;
something()
if(q) use(p);
Therefore, it may be
