File: unnamed_refs.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (34 lines) | stat: -rw-r--r-- 618 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
// I, Howard Hinnant, hereby place this code in the public domain.

// Test: Unamed rvalue references are treated as lvalues.

// { dg-do compile { target c++11 } }

template <bool> struct sa;
template <> struct sa<true> {};

struct one   {long x[1];};
struct two   {long x[2];};

struct A {};

one foo(const A&) {return one();}
two foo(A&&)      {return two();}

template<typename _Tp>
inline _Tp&&
movel(_Tp& __t)
{ return static_cast<_Tp&&>(__t); }

A&& source() {static A a; return movel(a);}

int test1()
{
    sa<sizeof(foo(source())) == 2 * sizeof(long)> t1;
    return 0;
}

int main()
{
    return test1();
}