1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -O0 -verify %s 2 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -pedantic-errors -DPE -O0 -verify %s 3 4 # ifndef PE 5 // expected-no-diagnostics 6 # endif 7 8 extern "C" int printf(const char*, ...); 9 10 static int N; 11 struct S { 12 S() __attribute__ ((nothrow)) { printf("%d: S()\n", ++N); } 13 ~S() __attribute__ ((nothrow)) { printf("%d: ~S()\n", N--); } 14 int n[17]; 15 }; 16 17 void print(int n, int a, int b, int c, int d) { 18 printf("n=%d\n,sizeof(S)=%d\nsizeof(array_t[0][0])=%d\nsizeof(array_t[0])=%d\nsizeof(array_t)=%d\n", 19 n, a, b, c, d); 20 if (n == 2) throw(n); 21 } 22 23 void test(int n) { 24 S array_t[n][n+1]; 25 # ifdef PE 26 // expected-error@-2 {{variable length arrays are a C99 feature}} 27 // expected-error@-3 {{variable length arrays are a C99 feature}} 28 # endif 29 int sizeof_S = sizeof(S); 30 int sizeof_array_t_0_0 = sizeof(array_t[0][0]); 31 int sizeof_array_t_0 = sizeof(array_t[0]); 32 int sizeof_array_t = sizeof(array_t); 33 print(n, sizeof_S, sizeof_array_t_0_0, sizeof_array_t_0, sizeof_array_t); 34 } 35 36 int main() 37 { 38 try { 39 test(2); 40 } catch(int e) { 41 printf("expeption %d\n", e); 42 } 43 try { 44 test(3); 45 } catch(int e) { 46 printf("expeption %d", e); 47 } 48 } 49
