// RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs // RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++98 // RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++11 int (^block) (int, const char *,...) __attribute__((__format__(__printf__,2,3))) = ^ __attribute__((__format__(__printf__,2,3))) (int arg, const char *format,...) {return 5;}; class HasNoCStr { const char *str; public: HasNoCStr(const char *s): str(s) { } const char *not_c_str() {return str;} }; void test_block() { const char str[] = "test"; HasNoCStr hncs(str); int n = 4; block(n, "%s %d", str, n); // no-warning block(n, "%s %s", hncs, n); #if __cplusplus <= 199711L // C++03 or earlier modes // expected-warning@-2{{cannot pass non-POD object of type 'HasNoCStr' to variadic block; expected type from format string was 'char *'}} #else // expected-warning@-4{{format specifies type 'char *' but the argument has type 'HasNoCStr'}} #endif // expected-warning@-6{{format specifies type 'char *' but the argument has type 'int'}} }