16 lines
605 B
C++
16 lines
605 B
C++
// RUN: %clang_cc1 %s -std=c++11 -fsyntax-only -verify -pedantic
|
|
|
|
# 1 "/usr/include/string.h" 1 3 4
|
|
extern "C" {
|
|
typedef decltype(sizeof(int)) size_t;
|
|
extern size_t strlen(const char *p);
|
|
}
|
|
|
|
# 10 "SemaCXX/constexpr-strlen.cpp" 2
|
|
constexpr int n = __builtin_strlen("hello"); // ok
|
|
constexpr int m = strlen("hello"); // expected-error {{constant expression}} expected-note {{non-constexpr function 'strlen' cannot be used in a constant expression}}
|
|
|
|
// Make sure we can evaluate a call to strlen.
|
|
int arr[3]; // expected-note {{here}}
|
|
int k = arr[strlen("hello")]; // expected-warning {{array index 5}}
|