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[Bug rtl-optimization/42889] [4.5 Regression] "-fcompare-debug failure (length)" with "-O1 -fgcse"
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Jan 2010 13:39:52 -0000
- Subject: [Bug rtl-optimization/42889] [4.5 Regression] "-fcompare-debug failure (length)" with "-O1 -fgcse"
- References: <bug-42889-14164@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from jakub at gcc dot gnu dot org 2010-01-28 13:39 -------
Created an attachment (id=19739)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19739&action=view)
gcc45-pr42889.patch
Patch that cures this by not running DCE if only DEBUG_INSNs changed.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42889