[Bug middle-end/20493] [4.0/4.1 Regression] Bootstrap failure because of aliased symbols

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-03-19 17:30 -------
Subject: Bug 20493

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	danglin@gcc.gnu.org	2005-03-19 17:29:54

Modified files:
	gcc            : ChangeLog fold-const.c 

Log message:
	PR middle-end/20493
	* fold-const.c (fold_widened_comparison): Don't optimize casts of
	function pointers on targets that require function pointer
	canonicalization.
	(fold_sign_changed_comparison): Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.63&r2=2.7592.2.64
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.517.2.2&r2=1.517.2.3



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20493