File: null-deref-ps-region.c

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 353 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -std=gnu99 -analyzer-store=region -verify %s
// expected-no-diagnostics


// The store for 'a[1]' should not be removed mistakenly. SymbolicRegions may
// also be live roots.
void f14(int *a) {
  int i;
  a[1] = 1;
  i = a[1];
  if (i != 1) {
    int *p = 0;
    i = *p; // no-warning
  }
}