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1// RUN: %clang_analyze_cc1 -triple x86_64-pc-linux-gnu -analyzer-checker=core -verify %s2 3typedef unsigned long size_t;4#define BIGINDEX 65536U5 6size_t check_VLA_overflow_sizeof(unsigned int x) {7  if (x == BIGINDEX) {8    // We expect here that size_t is a 64 bit value.9    // Size of this array should be the first to overflow.10    size_t s = sizeof(char[x][x][x][x]); // expected-warning{{Declared variable-length array (VLA) has too large size [core.VLASize]}}11    return s;12  }13  return 0;14}15 16void check_VLA_overflow_typedef(void) {17  unsigned int x = BIGINDEX;18  typedef char VLA[x][x][x][x]; // expected-warning{{Declared variable-length array (VLA) has too large size [core.VLASize]}}19}20 21void check_VLA_no_overflow(void) {22  unsigned int x = BIGINDEX;23  typedef char VLA[x][x][x][x - 1];24  typedef char VLA1[0xffffffffu];25}26