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[Bug middle-end/36262] [4.3/4.4 Regression] Extreme memory usage of VRP compared to older versions
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 May 2008 13:00:42 -0000
- Subject: [Bug middle-end/36262] [4.3/4.4 Regression] Extreme memory usage of VRP compared to older versions
- References: <bug-36262-1532@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenth at gcc dot gnu dot org 2008-05-20 13:00 -------
It is not safe. Probably the best thing would be to not ask SCEV during the
propagation but instead at ASSERT_EXPR insertion time.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36262