File: Wstrict-aliasing-bogus-escape-3.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 (35 lines) | stat: -rw-r--r-- 386 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
35
/* { dg-do compile } */
/* { dg-options "-O2 -Wstrict-aliasing" } */

struct Node_base {};

struct Node : Node_base
{
  int data;
};

struct List
{
  Node_base node, *prev;

  List() : prev(&node) { xyz(); }

  void xyz();

  int back() { return static_cast<Node*>(prev)->data; }
};

struct A
{
  virtual ~A();
};

A* foo();

void bar()
{
  List y;
  if (y.back())
    delete foo();
}