view clang/test/Analysis/outofbound-notwork.c @ 222:81f6424ef0e3 llvm-original

LLVM original branch
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 18 Jul 2021 22:10:01 +0900 (2021-07-18)
parents 1d019706d866
children c4bab56944e8
line wrap: on
line source
// RUN: %clang_analyze_cc1 -Wno-array-bounds -analyzer-checker=core,alpha.security.ArrayBound -analyzer-store=region -verify %s
// XFAIL: *

// Once we better handle modeling of sizes of VLAs, we can pull this back
// into outofbound.c.

void sizeof_vla(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(x)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}

void sizeof_vla_2(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(x) / sizeof(char)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}

void sizeof_vla_3(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(*&*&*&x)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}