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Add rvalue reference tests and docs

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This patch adds tests for the initial rvalue reference support patchset.  All
of the new tests are practically mirrored regular references tests and, except
for the demangler ones, are introduced in new files, which are set to be
compiled with -std=gnu++11.  Tested are printing of rvalue reference types and
values, rvalue reference parameters in function overloading, demangling of
function names containing rvalue reference parameters, casts to rvalue
reference types, application of the sizeof operator to rvalue reference types
and values, and support for rvalue references within the gdb python module.

gdb/ChnageLog

	PR gdb/14441
	* NEWS: Mention support for rvalue references in GDB and python.
	* doc/gdb.texinfo (C Plus Plus Expressions): Mention that GDB
	supports both lvalue and rvalue references.

gdb/testsuite/ChangeLog

	PR gdb/14441
	* gdb.cp/demangle.exp: Add rvalue reference tests.
	* gdb.cp/rvalue-ref-casts.cc: New file.
	* gdb.cp/rvalue-ref-casts.exp: New file.
	* gdb.cp/rvalue-ref-overload.cc: New file.
	* gdb.cp/rvalue-ref-overload.exp: New file.
	* gdb.cp/rvalue-ref-params.cc: New file.
	* gdb.cp/rvalue-ref-params.exp: New file.
	* gdb.cp/rvalue-ref-sizeof.cc: New file.
	* gdb.cp/rvalue-ref-sizeof.exp: New file.
	* gdb.cp/rvalue-ref-types.cc: New file.
	* gdb.cp/rvalue-ref-types.exp: New file.
	* gdb.python/py-rvalue-ref-value-cc.cc: New file.
	* gdb.python/py-rvalue-ref-value-cc.exp: New file.
This commit is contained in:
Artemiy Volkov
2017-03-20 13:47:59 -07:00
committed by Keith Seitz
parent 15c0a2a930
commit c0f55cc689
17 changed files with 972 additions and 4 deletions
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59
gdb/testsuite/gdb.python/py-rvalue-ref-value-cc.cc Normal file
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/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Test rvalue references in python. Based on py-value-cc.cc. */
#include <utility>
class A
{
public:
int operator+ (const int a1);
public:
int a;
};
int
A::operator+ (const int a1)
{
return a + a1;
}
class B : public A
{
public:
char a;
};
typedef int *int_ptr;
int
main ()
{
int val = 10;
int &&int_rref = std::move (val);
int_ptr ptr = &val;
int_ptr &&int_ptr_rref = std::move (ptr);
B b;
b.a = 'b';
(&b)->A::a = 100;
B &&b_rref = std::move (b);
return 0; /* Break here. */
}