File: Wunused-result-2.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 (21 lines) | stat: -rw-r--r-- 319 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
// PR c++/66177

struct QSize
{
    QSize(int w, int h) : wd(w), ht(h) {}

    QSize expandedTo() const __attribute__ ((__warn_unused_result__))
    {
        return QSize(2, 3);
    }

private:
    int wd;
    int ht;
};

void foo()
{
    QSize sz(2, 2);
    sz.expandedTo();		// { dg-warning "warn_unused_result" }
}