[Bug c++/19199] [3.3/3.4/4.0 Regression] Wrong warning about returning a reference to a temporary

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-04-05 05:15 -------
Subject: Bug 19199

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	sayle@gcc.gnu.org	2005-04-05 05:15:23

Modified files:
	gcc            : ChangeLog fold-const.c 
	gcc/testsuite  : ChangeLog 
	gcc/testsuite/g++.old-deja/g++.oliva: ChangeLog expr2.C 
Added files:
	gcc/testsuite/g++.dg/expr: lval2.C 

Log message:
	2005-04-04  Roger Sayle  <roger@eyesopen.com>
	Alexandre Oliva  <aoliva@redhat.com>
	
	PR c++/19199
	* fold-const.c (non_lvalue): Split tests into...
	(maybe_lvalue_p): New function.
	(fold_cond_expr_with_comparison): Preserve lvalue-ness for the
	C++ front-end prior to lowering into gimple form.
	
	* g++.dg/expr/lval2.C: New.
	
	* expr2.C: Fixed.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.123&r2=2.7592.2.124
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.517.2.5&r2=1.517.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.96&r2=1.5084.2.97
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/expr/lval2.C.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.old-deja/g++.oliva/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.35&r2=1.35.62.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.old-deja/g++.oliva/expr2.C.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5&r2=1.5.76.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19199