File: integer-overflow.m

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (18 lines) | stat: -rw-r--r-- 481 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// RUN: %clang_cc1 -Wno-objc-root-class -fsyntax-only -verify %s

@interface Foo
@end

@implementation Foo
- (int)add:(int)a with:(int)b {
  return a + b;
}

- (void)testIntegerOverflows {
// expected-warning@+1 {{overflow in expression; result is 536870912 with type 'int'}}
  (void)[self add:0 with:4608 * 1024 * 1024];

// expected-warning@+1 {{overflow in expression; result is 536870912 with type 'int'}}
  (void)[self add:0 with:[self add:4608 * 1024 * 1024 with:0]];
}
@end