r211594 - in /trunk/gcc: c-family/ChangeLog c-f...

[jason at gcc dot gnu dot org]

Author: jason
Date: Thu Jun 12 20:47:21 2014
New Revision: 211594

URL: http://gcc.gnu.org/viewcvs?rev=211594&root=gcc&view=rev
Log:
	Support -Wabi warning about backward compatibility.
gcc/c-family/
	* c.opt (Wabi=, fabi-compat-version): New.
	* c-opts.c (c_common_handle_option): Handle -Wabi=.
	(c_common_post_options): Handle flag_abi_compat_version default.
	Disallow -fabi-compat-version=1.
	* c-common.h (abi_version_crosses): New.
gcc/cp/
	* call.c (convert_arg_to_ellipsis): Use abi_version_crosses.
	* cvt.c (type_promotes_to): Likewise.
	* mangle.c (write_type, write_expression): Likewise.
	(write_name, write_template_arg): Likewise.
	(mangle_decl): Make alias based on flag_abi_compat_version.
	Emit -Wabi warning here.
	(finish_mangling_internal): Not here.  Drop warn parm.
	(finish_mangling_get_identifier, finish_mangling): Adjust.
	(mangle_type_string, mangle_special_for_type): Adjust.
	(mangle_ctor_vtbl_for_type, mangle_thunk): Adjust.
	(mangle_guard_variable, mangle_tls_init_fn): Adjust.
	(mangle_tls_wrapper_fn, mangle_ref_init_variable): Adjust.

Added:
    trunk/gcc/testsuite/g++.dg/abi/scoped1.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.h
    trunk/gcc/c-family/c-opts.c
    trunk/gcc/c-family/c.opt
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/cp/cvt.c
    trunk/gcc/cp/mangle.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/g++.dg/abi/mangle19-1.C
    trunk/gcc/testsuite/g++.dg/abi/mangle3-2.C
    trunk/gcc/testsuite/g++.dg/abi/mangle3.C
    trunk/gcc/testsuite/g++.dg/abi/mangle45.C
    trunk/gcc/testsuite/g++.dg/abi/mangle49.C
    trunk/gcc/testsuite/g++.dg/abi/mangle52.C
    trunk/gcc/testsuite/g++.dg/abi/mangle54.C
    trunk/gcc/testsuite/g++.dg/abi/mangle57.C
    trunk/gcc/testsuite/g++.dg/abi/mangle58.C
    trunk/gcc/testsuite/g++.dg/abi/mangle62.C
    trunk/gcc/testsuite/g++.dg/abi/mangle62a.C
    trunk/gcc/testsuite/g++.dg/cpp0x/enum13.C