// RUN: %clang_cc1 %s -verify -Wsizeof-array-div -fsyntax-only -triple=x86_64-linux-gnu // RUN: %clang_cc1 %s -verify -fsyntax-only -triple=x86_64-linux-gnu template int f(Ty (&Array)[N]) { return sizeof(Array) / sizeof(Ty); // Should not warn } typedef int int32; void test(void) { int arr[12]; // expected-note 2 {{array 'arr' declared here}} unsigned long long arr2[4]; int *p = &arr[0]; int a1 = sizeof(arr) / sizeof(*arr); int a2 = sizeof arr / sizeof p; // expected-warning {{expression does not compute the number of elements in this array; element type is 'int', not 'int *'}} // expected-note@-1 {{place parentheses around the 'sizeof p' expression to silence this warning}} int a4 = sizeof arr2 / sizeof p; int a5 = sizeof(arr) / sizeof(short); // expected-warning {{expression does not compute the number of elements in this array; element type is 'int', not 'short'}} // expected-note@-1 {{place parentheses around the 'sizeof(short)' expression to silence this warning}} int a6 = sizeof(arr) / sizeof(int32); int a7 = sizeof(arr) / sizeof(int); int a9 = sizeof(arr) / sizeof(unsigned int); const char arr3[2] = "A"; int a10 = sizeof(arr3) / sizeof(char); int a11 = sizeof(arr2) / (sizeof(unsigned)); int a12 = sizeof(arr) / (sizeof(short)); int a13 = sizeof(arr3) / sizeof(p); int a14 = sizeof(arr3) / sizeof(int); int arr4[10][12]; int b1 = sizeof(arr4) / sizeof(arr2[12]); int b2 = sizeof(arr4) / sizeof(int *); int b3 = sizeof(arr4) / sizeof(short *); int arr5[][5] = { {1, 2, 3, 4, 5}, {6, 7, 8, 9, 0}, }; int c1 = sizeof(arr5) / sizeof(*arr5); int c2 = sizeof(arr5) / sizeof(**arr5); int c3 = sizeof(arr5) / sizeof(int); float m[4][4]; int d1 = sizeof(m) / sizeof(**m); }