1// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -ftrigraphs %s 2 3int x = 000000080; // expected-error {{invalid digit}} 4 5int y = 0000\ 600080; // expected-error {{invalid digit}} 7 8 9 10float X = 1.17549435e-38F; 11float Y = 08.123456; 12 13// PR2252 14#if -0x8000000000000000 // should not warn. 15#endif 16#if -01000000000000000000000 // should not warn. 17#endif 18#if 9223372036854775808 // expected-warning {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} 19#endif 20#if 0x10000000000000000 // expected-error {{integer literal is too large to be represented in any integer type}} 21#endif 22 23int c[] = { 24 'df', // expected-warning {{multi-character character constant}} 25 '\t', 26 '\\ 27t', 28 '??!', // expected-warning {{trigraph converted to '|' character}} 29 'abcd' // expected-warning {{multi-character character constant}} 30}; 31 32// PR4499 33int m0 = '0'; 34int m1 = '\\\''; // expected-warning {{multi-character character constant}} 35int m2 = '\\\\'; // expected-warning {{multi-character character constant}} 36int m3 = '\\\ 37'; 38 39 40#pragma clang diagnostic ignored "-Wmultichar" 41 42int d = 'df'; // no warning. 43int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}} 44 45#pragma clang diagnostic ignored "-Wfour-char-constants" 46 47int f = 'abcd'; // ignored. 48 49// rdar://problem/6974641 50float t0[] = { 51 1.9e20f, 52 1.9e-20f, 53 1.9e50f, // expected-warning {{too large}} 54 1.9e-50f, // expected-warning {{too small}} 55 -1.9e20f, 56 -1.9e-20f, 57 -1.9e50f, // expected-warning {{too large}} 58 -1.9e-50f // expected-warning {{too small}} 59}; 60double t1[] = { 61 1.9e50, 62 1.9e-50, 63 1.9e500, // expected-warning {{too large}} 64 1.9e-500, // expected-warning {{too small}} 65 -1.9e50, 66 -1.9e-50, 67 -1.9e500, // expected-warning {{too large}} 68 -1.9e-500 // expected-warning {{too small}} 69}; 70 71// PR7888 72double g = 1e100000000; // expected-warning {{too large}} 73 74char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}} 75