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