[Bug c++/20746] Incorrect return value for covariant return function returning null ptr

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-04-04 17:45 -------
Subject: Bug 20746

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	nathan@gcc.gnu.org	2005-04-04 17:45:17

Modified files:
	gcc/cp         : ChangeLog method.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/abi: covariant5.C 

Log message:
	cp:
	PR c++/20746
	* method.c (use_thunk): Protect covariant pointer return
	adjustments from NULL pointers.
	testsuite:
	PR c++/20746
	* g++.dg/abi/covariant5.C: New.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4686&r2=1.4687
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/method.c.diff?cvsroot=gcc&r1=1.324&r2=1.325
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5277&r2=1.5278
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/abi/covariant5.C.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20746