1*67e74705SXin Li /* RUN: %clang_cc1 -std=c90 -fsyntax-only %s -verify -pedantic-errors 2*67e74705SXin Li */ 3*67e74705SXin Li 4*67e74705SXin Li enum { cast_hex = (long) ( 5*67e74705SXin Li 0x0p-1 /* expected-error {{hexadecimal floating constants are a C99 feature}} */ 6*67e74705SXin Li ) }; 7*67e74705SXin Li 8*67e74705SXin Li /* PR2477 */ test1(int a,int b)9*67e74705SXin Liint test1(int a,int b) {return a//* This is a divide followed by block comment in c89 mode */ 10*67e74705SXin Li b;} 11*67e74705SXin Li 12*67e74705SXin Li // comment accepted as extension /* expected-error {{// comments are not allowed in this language}} 13*67e74705SXin Li test2()14*67e74705SXin Livoid test2() { 15*67e74705SXin Li const char * str = 16*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" // expected-error{{string literal of length 845 exceeds maximum length 509 that C90 compilers are required to support}} 17*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 18*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 19*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 20*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 21*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 22*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 23*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 24*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 25*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 26*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 27*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds" 28*67e74705SXin Li "sdjflksdjf lksdjf skldfjsdkljflksdjf kldsjflkdsj fldks jflsdkjfds"; 29*67e74705SXin Li } 30*67e74705SXin Li test3()31*67e74705SXin Livoid test3() { 32*67e74705SXin Li (void)L"\u1234"; // expected-error {{universal character names are only valid in C99 or C++}} 33*67e74705SXin Li (void)L'\u1234'; // expected-error {{universal character names are only valid in C99 or C++}} 34*67e74705SXin Li } 35*67e74705SXin Li 36*67e74705SXin Li #define PREFIX(x) foo ## x test4()37*67e74705SXin Liint test4() { 38*67e74705SXin Li int PREFIX(0p) = 0; 39*67e74705SXin Li int *p = &PREFIX(0p+1); 40*67e74705SXin Li return p[-1]; 41*67e74705SXin Li } 42*67e74705SXin Li 43*67e74705SXin Li #define MY_UCN \u00FC // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}} 44*67e74705SXin Li #define NOT_A_UCN \h // no-warning 45*67e74705SXin Li 46*67e74705SXin Li extern int idWithUCN\u00FC; // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}} expected-error {{expected ';'}} 47