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[Bug middle-end/36753] [4.3/4.4 Regression] Forward propagation interacts badly with global register variable
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jul 2008 22:42:42 -0000
- Subject: [Bug middle-end/36753] [4.3/4.4 Regression] Forward propagation interacts badly with global register variable
- References: <bug-36753-14988@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2008-07-07 22:42 -------
(In reply to comment #2)
> If it's a bad language extension, why is it implemented?
Because someone thought it was nice but it really hard to get correct as it
changes the ABI.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36753