47 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* RUN: %clang_cc1 -std=c90 -fsyntax-only %s -verify -pedantic-errors
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|  */
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| 
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| enum { cast_hex = (long) (
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|       0x0p-1   /* expected-error {{hexadecimal floating constants are a C99 feature}} */
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|      ) };
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| 
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| /* PR2477 */
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| int test1(int a,int b) {return a//* This is a divide followed by block comment in c89 mode */
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| b;}
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| 
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| // comment accepted as extension    /* expected-error {{// comments are not allowed in this language}}
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| 
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| void test2() {
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|   const char * str =
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" // expected-error{{string literal of length 845 exceeds maximum length 509 that C90 compilers are required to support}}
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"
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|     "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds";
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| }
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| 
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| void test3() {
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|   (void)L"\u1234";  // expected-error {{universal character names are only valid in C99 or C++}}
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|   (void)L'\u1234';  // expected-error {{universal character names are only valid in C99 or C++}}
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| }
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| 
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| #define PREFIX(x) foo ## x
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| int test4() {
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|   int PREFIX(0p) = 0;
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|   int *p = &PREFIX(0p+1);
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|   return p[-1];
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| }
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| 
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| #define MY_UCN \u00FC // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}}
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| #define NOT_A_UCN \h // no-warning
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| 
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| extern int idWithUCN\u00FC; // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}} expected-error {{expected ';'}}
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