/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#undef NDEBUG
#include <cassert>
#define CAST_N3 (
void ) n3
#define ASSERT_N4 assert(n4 == 0)
#define ASSERT(x) assert(x)
#define USE(x) x
int f1(
int n1,
int n2,
int n3,
int n4,
int n5) {
(
void ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int const & r1 = n1;
// expected-note {{first consumption is here [loplugin:casttovoid]}}
(
void ) n2;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int const & r2 = {n2};
// expected-note {{first consumption is here [loplugin:casttovoid]}}
(
void ) n3;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int const & r3{n3};
// expected-note {{first consumption is here [loplugin:casttovoid]}}
(
void ) n4;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int const & r4(n4);
// expected-note {{first consumption is here [loplugin:casttovoid]}}
(
void ) n5;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int const & r5 = (n5);
// expected-note {{first consumption is here [loplugin:casttovoid]}}
return r1 + r2 + r3 + r4 + r5;
}
int const & f2(
int const & n) {
(
void ) n;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return n;
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
int const & f3(
int const & n) {
(
void ) n;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return (n);
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
int const & f4(
int const & n) {
(
void ) n;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return {n};
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
int const & f5(
int const & n) {
(
void ) n;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return {(n)};
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
struct S1 {
S1(
int n1,
int n2):
n1_(n1),
// expected-note {{first consumption is here [loplugin:casttovoid]}}
n2_{n2}
// expected-note {{first consumption is here [loplugin:casttovoid]}}
{
(
void ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void ) n2;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
}
int const n1_;
int const n2_;
};
struct S2 {
int n; };
int fS2_1(S2 s) {
(
void ) s;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return s.n;
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
int const & fS2_2(S2
const & s) {
(
void ) s;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return s.n;
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}
// Don't trigger assert in CastToVoid::VisitReturnStmt:
int n = [] {
return 0; }();
int f() {
int n1 = n;
int n2 = [](
int const & n) ->
int const & {
(
void ) n;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
return n;
// expected-note {{first consumption is here [loplugin:casttovoid]}}
}(n1);
return n2;
}
int main() {
int n1 = 0;
(
void ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void const ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void volatile ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void const volatile ) n1;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void ) (n1);
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void ) ((n1));
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
(
void (n1));
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
static_cast <
void >(n1);
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int n2 = 0;
assert(n2 == 0);
(
void ) n2;
// expected-error {{unnecessary cast to void [loplugin:casttovoid]}}
int n3 = 0;
CAST_N3;
int n4 = 0;
ASSERT_N4;
(
void ) n4;
int n5 = 0;
assert(n5 == 0);
(
void ) n5;
int n6 = 0;
ASSERT(n6 == 0);
(
void ) n6;
int n7 = 0;
assert(USE(n7) == 0);
(
void ) n7;
int n8 = 0;
ASSERT(USE(USE(n8 == 0)));
(
void ) n8;
int volatile n9 = 0;
(
void ) n9;
return n1
// expected-note 8 {{first consumption is here [loplugin:casttovoid]}}
+ n2
// expected-note {{first consumption is here [loplugin:casttovoid]}}
+ n3;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
Messung V0.5 C=94 H=95 G=94
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(vorverarbeitet)
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