1 // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -ftrigraphs %s 2 3 int x = 000000080; // expected-error {{invalid digit}} 4 5 int y = 0000\ 6 00080; // expected-error {{invalid digit}} 7 8 9 10 float X = 1.17549435e-38F; 11 float 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 23 int c[] = { 24 'df', // expected-warning {{multi-character character constant}} 25 '\t', 26 '\\ 27 t', 28 '??!', // expected-warning {{trigraph converted to '|' character}} 29 'abcd' // expected-warning {{multi-character character constant}} 30 }; 31 32 // PR4499 33 int m0 = '0'; 34 int m1 = '\\\''; // expected-warning {{multi-character character constant}} 35 int m2 = '\\\\'; // expected-warning {{multi-character character constant}} 36 int m3 = '\\\ 37 '; 38 39 40 #pragma clang diagnostic ignored "-Wmultichar" 41 42 int d = 'df'; // no warning. 43 int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}} 44 45 #pragma clang diagnostic ignored "-Wfour-char-constants" 46 47 int f = 'abcd'; // ignored. 48 49 // rdar://problem/6974641 50 float 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 }; 60 double 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 72 double g = 1e100000000; // expected-warning {{too large}} 73 74 char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}} 75