1 // RUN: %clang_cc1 %s -verify -Wconversion 2 3 // Don't crash (rdar://11168596) 4 #define A(desc) _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wparentheses\"") _Pragma("clang diagnostic pop") 5 #define B(desc) A(desc) 6 B(_Pragma("clang diagnostic ignored \"-Wparentheses\"")) 7 8 9 #define EMPTY(x) 10 #define INACTIVE(x) EMPTY(x) 11 12 #define ID(x) x 13 #define ACTIVE(x) ID(x) 14 15 // This should be ignored.. 16 INACTIVE(_Pragma("clang diagnostic ignored \"-Wconversion\"")) 17 18 #define IGNORE_CONV _Pragma("clang diagnostic ignored \"-Wconversion\"") _Pragma("clang diagnostic ignored \"-Wconversion\"") 19 20 // ..as should this. 21 INACTIVE(IGNORE_CONV) 22 23 #define IGNORE_POPPUSH(Pop, Push, W, D) Push W D Pop 24 IGNORE_POPPUSH(_Pragma("clang diagnostic pop"), _Pragma("clang diagnostic push"), 25 _Pragma("clang diagnostic ignored \"-Wconversion\""), int q = (double)1.0); 26 27 int x1 = (double)1.0; // expected-warning {{implicit conversion}} 28 29 ACTIVE(_Pragma) ("clang diagnostic ignored \"-Wconversion\"")) // expected-error {{_Pragma takes a parenthesized string literal}} \ 30 expected-error {{expected identifier or '('}} expected-error {{expected ')'}} expected-note {{to match this '('}} 31 32 // This should disable the warning. 33 ACTIVE(IGNORE_CONV) 34 35 int x2 = (double)1.0; 36
