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173
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1 // RUN: %clang_cc1 -Wno-objc-root-class %s -verify
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2 // RUN: %clang_cc1 -xobjective-c++ -Wno-objc-root-class %s -verify
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3
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4 #define YES __objc_yes
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5 #define NO __objc_no
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6
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7 @interface NSNumber
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8 +(instancetype)numberWithChar:(char)value;
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9 +(instancetype)numberWithInt:(int)value;
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10 +(instancetype)numberWithDouble:(double)value;
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11 +(instancetype)numberWithBool:(unsigned char)value;
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12 +(instancetype)numberWithUnsignedLong:(unsigned long)value;
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13 +(instancetype)numberWithLongLong:(long long) value;
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14 +(instancetype)numberWithUnsignedInt:(unsigned)value;
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15 @end
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16
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17 @interface NSString
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18 @end
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19
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20 @interface NSDictionary
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21 + (instancetype)dictionaryWithObjects:(const id[])objects
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22 forKeys:(const id[])keys
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23 count:(unsigned long)cnt;
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24 @end
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25
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26 void test() {
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27 NSDictionary *t1 = @{
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28 @"foo" : @0, // expected-note 2 {{previous equal key is here}}
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29 @"foo" : @0, // expected-warning{{duplicate key in dictionary literal}}
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30 @("foo") : @0, // expected-warning{{duplicate key in dictionary literal}}
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31 @"foo\0" : @0,
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32
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33 @1 : @0, // expected-note + {{previous equal key is here}}
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34 @YES : @0, // expected-warning{{duplicate key in dictionary literal}}
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35 @'\1' : @0, // expected-warning{{duplicate key in dictionary literal}}
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36 @1 : @0, // expected-warning{{duplicate key in dictionary literal}}
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37 @1ul : @0, // expected-warning{{duplicate key in dictionary literal}}
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38 @1ll : @0, // expected-warning{{duplicate key in dictionary literal}}
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39 #ifdef __cplusplus
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40 @true : @0, // expected-warning{{duplicate key in dictionary literal}}
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41 #endif
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42 @1.0 : @0, // FIXME: should warn
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43
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44 @-1 : @0, // expected-note + {{previous equal key is here}}
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45 @4294967295u : @0, // no warning
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46 @-1ll : @0, // expected-warning{{duplicate key in dictionary literal}}
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47 @(NO-YES) : @0, // expected-warning{{duplicate key in dictionary literal}}
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48 };
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49 }
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50
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51 #ifdef __cplusplus
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52 template <class... Ts> void variadic(Ts... ts) {
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53 NSDictionary *nd = @{
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54 ts : @0 ...,
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55 @0 : ts ... // expected-warning 2 {{duplicate key in dictionary literal}} expected-note 2 {{previous equal key is here}}
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56 };
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57 }
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58
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59 void call_variadic() {
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60 variadic(@0, @1, @2); // expected-note {{in instantiation}}
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61 }
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62 #endif
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