[Bug c++/13118] [ABI] Missed covariant return thunk

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-12-12 18:22 -------
Subject: Bug 13118

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	nathan@gcc.gnu.org	2003-12-12 18:22:24

Modified files:
	gcc/cp         : ChangeLog cp-tree.h class.c method.c 
	                 semantics.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/abi: covariant3.C 

Log message:
	cp:
	PR c++/13118
	* cp-tree.h (lang_decl_u): Add thunk_alias member.
	(THUNK_VIRTUAL_OFFSET): Must be a FUNCTION_DECL.
	(THUNK_ALIAS_P): Remove.
	(THUNK_ALIAS): Adjust.
	* class.c (update_vtable_entry_for_fn): Get the vbase within the
	overriding function's return type.
	(dump_thunk): Adjust THUNK_ALIAS printing.
	(build_vtbl_initializer): Adjust THUNK_ALIAS use.
	* method.c (make_thunk): Revert 12881 test change. Clear
	THUNK_ALIAS.
	(finish_thunk): Adjust THUNK_ALIAS setting.
	(use_thunk): Adjust THUNK_ALIAS use.
	* semantics.c (emit_associated_thunks): Likewise.
	testsuite:
	PR c++/13118
	* g++.dg/abi/covariant3.C: New.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.3796&r2=1.3797
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&r1=1.938&r2=1.939
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/class.c.diff?cvsroot=gcc&r1=1.585&r2=1.586
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/method.c.diff?cvsroot=gcc&r1=1.272&r2=1.273
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/semantics.c.diff?cvsroot=gcc&r1=1.374&r2=1.375
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3249&r2=1.3250
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/abi/covariant3.C.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13118