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[Bug middle-end/34400] [4.3 regression] bad interaction between DF and SJLJ exceptions
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Dec 2007 22:49:48 -0000
- Subject: [Bug middle-end/34400] [4.3 regression] bad interaction between DF and SJLJ exceptions
- References: <bug-34400-286@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #40 from steven at gcc dot gnu dot org 2007-12-19 22:49 -------
The issue with tree PRE is probably the quadratic behavior of insert(). Easily
tested by lowering the maximum number of basic blocks from 4000 to 2000 (even
though that's obviously not an actual fix for this problem).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34400