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150
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1 // RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-declarations -verify %s
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2
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3 @interface INTF1
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4 @required // expected-error {{directive may only be specified in protocols only}}
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5 - (int) FooBar;
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6 - (int) FooBar1;
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7 - (int) FooBar2;
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8 @optional // expected-error {{directive may only be specified in protocols only}}
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9 + (int) C;
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10
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11 - (int)I;
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12 @end
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13
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14 @protocol p1,p2,p3;
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15
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16 @protocol p1;
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17
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18 @protocol PROTO1
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19 @required
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20 - (int) FooBar;
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21 @optional
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22 - (void) MyMethod1;
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23 + (int) S;
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24 @end
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25
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26
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27 @protocol PROTO2<p1>
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28 @end
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29
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30 @protocol p1 @end
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31
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32 @protocol PROTO<p1> // expected-note {{previous definition is here}}
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33 @end
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34
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35 @protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}}
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36 @end
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37
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38 @protocol PROTO3<p1, p1>
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39 @end
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40
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41 @protocol p2 <p1>
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42 @end
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43
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44 @protocol PROTO4 <p1, p2, PROTO, PROTO3, p3>
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45 @end
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46
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47
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48 // rdar://6771034
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49 @protocol XX;
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50 @protocol YY <XX> // Use of declaration of XX here should not cause a warning.
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51 - zz;
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52 @end
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53
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54
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55 // Detect circular dependencies.
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56 @protocol B;
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57 @protocol C < B > // expected-note{{previous definition is here}}
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58 @end
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59 @protocol A < C >
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60 @end
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61 @protocol B < A > // expected-error{{protocol has circular dependency}}
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62 @end
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63
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64 @protocol P
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65 - (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \
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66 // expected-error{{expected ';' after method prototype}}
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67 @end
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