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[Bug middle-end/53144] [4.7/4.8 Regression] PPRE infinite loop
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 02 May 2012 12:17:48 +0000
- Subject: [Bug middle-end/53144] [4.7/4.8 Regression] PPRE infinite loop
- Auto-submitted: auto-generated
- References: <bug-53144-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53144
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-02 12:17:48 UTC ---
We are repeatedly inserting
Inserted pretmp.34_83 = MEM[(unsigned char *)&uc0];
in predecessor 2
causing insert iteration. Reproduces with -fno-tree-partial-pre, too, so a
regular PRE issue.