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// RUN: %clang_cc1 -std=c++20 -Wno-all -Wunsafe-buffer-usage \
// RUN: -fsafe-buffer-usage-suggestions \
// RUN: -fblocks -verify %s
// RUN: %clang -x c++ -frtti -fsyntax-only -fblocks %s 2>&1 | FileCheck --allow-empty %s
// RUN: %clang_cc1 -std=c++11 -fblocks %s 2>&1 | FileCheck --allow-empty %s
// RUN: %clang_cc1 -std=c++20 -fblocks %s 2>&1 | FileCheck --allow-empty %s
// CHECK-NOT: [-Wunsafe-buffer-usage]
namespace std {
class type_info;
class bad_cast;
class bad_typeid;
}
using size_t = __typeof(sizeof(int));
void *malloc(size_t);
void foo(int v) {
}
void foo(int *p){}
void foo(int, int);
void uneval_context_fix() {
auto p = new int[10]; // expected-warning{{'p' is an unsafe pointer used for buffer access}}
// Warn on the following DREs
_Generic(1, int: p[2], float: 3); // expected-note{{used in buffer access here}}
// Do not warn for following DREs
auto q = new int[10];
foo(sizeof(q[1]), // no-note
sizeof(decltype(q[1]))); // no-note
__typeof(q[5]) x; // no-note
int *r = (int *)malloc(sizeof(q[5])); // no-note
int y = sizeof(q[5]); // no-note
__is_pod(__typeof(q[5])); // no-note
__is_trivially_constructible(__typeof(q[5]), decltype(q[5])); // no-note
_Generic(q[1], int: 2, float: 3); // no-note
_Generic(1, int: 2, float: q[3]); // no-note
decltype(q[2]) var = y; // no-note
noexcept(q[2]); // no-note
typeid(q[3]); // no-note
}
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