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[Bug bootstrap/12269] Mainline failed to bootstrap on Linux/ia64
- From: "roger at eyesopen dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Sep 2003 02:42:16 -0000
- Subject: [Bug bootstrap/12269] Mainline failed to bootstrap on Linux/ia64
- References: <20030913175539.12269.hjl@lucon.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12269
------- Additional Comments From roger at eyesopen dot com 2003-09-15 02:42 -------
I believe a suitable testcase for the underlying failure is the miscompilation
of gcc.c-torture/execute/builtins/string-3-lib.c, which is the only regression
in the C testsuite for ia64-linux. Indeed something is clearly going very in
combine.c which eliminates the "n < 2" comparison entirely.