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// RUN: %clang_cc1 -fsyntax-only -verify -Wfour-char-constants -pedantic -ftrigraphs %s
int x = 000000080; // expected-error {{invalid digit}}
int y = 0000\
00080; // expected-error {{invalid digit}}
float X = 1.17549435e-38F;
float Y = 08.123456;
// PR2252
#if -0x8000000000000000 // should not warn.
#endif
#if -01000000000000000000000 // should not warn.
#endif
#if 9223372036854775808 // expected-warning {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}}
#endif
#if 0x10000000000000000 // expected-error {{integer literal is too large to be represented in any integer type}}
#endif
int c[] = {
'df', // expected-warning {{multi-character character constant}}
'\t',
'\\
t',
'??!', // expected-warning {{trigraph converted to '|' character}}
'abcd' // expected-warning {{multi-character character constant}}
};
// PR4499
int m0 = '0';
int m1 = '\\\''; // expected-warning {{multi-character character constant}}
int m2 = '\\\\'; // expected-warning {{multi-character character constant}}
int m3 = '\\\
';
#pragma clang diagnostic ignored "-Wmultichar"
int d = 'df'; // no warning.
int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}}
#pragma clang diagnostic ignored "-Wfour-char-constants"
int f = 'abcd'; // ignored.
// rdar://problem/6974641
float t0[] = {
1.9e20f,
1.9e-20f,
1.9e50f, // expected-warning {{too large}}
1.9e-50f, // expected-warning {{too small}}
-1.9e20f,
-1.9e-20f,
-1.9e50f, // expected-warning {{too large}}
-1.9e-50f // expected-warning {{too small}}
};
double t1[] = {
1.9e50,
1.9e-50,
1.9e500, // expected-warning {{too large}}
1.9e-500, // expected-warning {{too small}}
-1.9e50,
-1.9e-50,
-1.9e500, // expected-warning {{too large}}
-1.9e-500 // expected-warning {{too small}}
};
// PR7888
double g = 1e100000000; // expected-warning {{too large}}
char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}}
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