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