| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -O0 -verify -Wno-vla %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -pedantic-errors -O0 -verify=pe %s |
| |
| // expected-no-diagnostics |
| |
| extern "C" int printf(const char*, ...); |
| |
| static int N; |
| struct S { |
| S() __attribute__ ((nothrow)) { printf("%d: S()\n", ++N); } |
| ~S() __attribute__ ((nothrow)) { printf("%d: ~S()\n", N--); } |
| int n[17]; |
| }; |
| |
| void print(int n, int a, int b, int c, int d) { |
| printf("n=%d\n,sizeof(S)=%d\nsizeof(array_t[0][0])=%d\nsizeof(array_t[0])=%d\nsizeof(array_t)=%d\n", |
| n, a, b, c, d); |
| if (n == 2) throw(n); |
| } |
| |
| void test(int n) { |
| S array_t[n][n+1]; // pe-error 2{{variable length arrays in C++ are a Clang extension}} pe-note 2{{parameter}} pe-note@-1 2{{here}} |
| int sizeof_S = sizeof(S); |
| int sizeof_array_t_0_0 = sizeof(array_t[0][0]); |
| int sizeof_array_t_0 = sizeof(array_t[0]); |
| int sizeof_array_t = sizeof(array_t); |
| print(n, sizeof_S, sizeof_array_t_0_0, sizeof_array_t_0, sizeof_array_t); |
| } |
| |
| int main() |
| { |
| try { |
| test(2); |
| } catch(int e) { |
| printf("exception %d\n", e); |
| } |
| try { |
| test(3); |
| } catch(int e) { |
| printf("exception %d", e); |
| } |
| } |