File: integer-overflow.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (18 lines) | stat: -rw-r--r-- 638 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// RUN: %clang_cc1 %s -Wno-unused-value -verify -fsyntax-only

namespace GH58944 {
struct A {
  A(unsigned long) ;
};

A a(1024 * 1024 * 1024 * 1024 * 1024ull); // expected-warning {{overflow in expression; result is 0 with type 'int'}}

void f() {
  new int[1024 * 1024 * 1024 * 1024 * 1024ull]; // expected-warning {{overflow in expression; result is 0 with type 'int'}}

  int arr[]{1,2,3};
  arr[1024 * 1024 * 1024 * 1024 * 1024ull]; // expected-warning {{overflow in expression; result is 0 with type 'int'}}

  (int){1024 * 1024 * 1024 * 1024 * 1024}; // expected-warning {{overflow in expression; result is 0 with type 'int'}}
}
}