3 int test(char *C) { // nothing here should warn.  in test()  argument
4   return C != ((void*)0);  in test()
5   return C != (void*)0;  in test()
6   return C != 0;  in test()
7 …return C != 1;  // expected-warning {{comparison between pointer and integer ('char *' and 'int')}}  in test()
13   enum EnumC {C = 0x10000};  in ints()  enumerator
94          (C == (unsigned long) b) +  in ints()
95          (C == (unsigned int) b) +  in ints()
96 …(C == (unsigned short) b) + // expected-warning {{comparison of constant 'C' (65536) with expressi…  in ints()
97 …(C == (unsigned char) b) + // expected-warning {{comparison of constant 'C' (65536) with expressio…  in ints()
98          ((long) C == b) +  in ints()
99          ((int) C == b) +  in ints()
100          ((short) C == b) +  in ints()
101          ((signed char) C == b) +  in ints()
102          ((long) C == (unsigned long) b) +  in ints()
103          ((int) C == (unsigned int) b) +  in ints()
104          ((short) C == (unsigned short) b) +  in ints()
105          ((signed char) C == (unsigned char) b) +  in ints()
106          (C < (unsigned long) b) +  in ints()
107          (C < (unsigned int) b) +  in ints()
108 …(C < (unsigned short) b) + // expected-warning {{comparison of constant 'C' (65536) with expressio…  in ints()
109 …(C < (unsigned char) b) + // expected-warning {{comparison of constant 'C' (65536) with expression…  in ints()
110          ((long) C < b) +  in ints()
111          ((int) C < b) +  in ints()
112          ((short) C < b) +  in ints()
113          ((signed char) C < b) +  in ints()
114          ((long) C < (unsigned long) b) +  in ints()
115          ((int) C < (unsigned int) b) +  in ints()
116          ((short) C < (unsigned short) b) +  in ints()
117          ((signed char) C < (unsigned char) b) +  in ints()
120          (a == (unsigned long) C) +  in ints()
121          (a == (unsigned int) C) +  in ints()
122          (a == (unsigned short) C) +  in ints()
123          (a == (unsigned char) C) +  in ints()
124          ((long) a == C) +  in ints()
125          ((int) a == C) +  in ints()
126 …((short) a == C) + // expected-warning {{comparison of constant 'C' (65536) with expression of typ…  in ints()
127 …((signed char) a == C) + // expected-warning {{comparison of constant 'C' (65536) with expression …  in ints()
128          ((long) a == (unsigned long) C) +  in ints()
129          ((int) a == (unsigned int) C) +  in ints()
130          ((short) a == (unsigned short) C) +  in ints()
131          ((signed char) a == (unsigned char) C) +  in ints()
132 …       (a < (unsigned long) C) +  // expected-warning {{comparison of integers of different signs}}  in ints()
133          (a < (unsigned int) C) +  in ints()
134          (a < (unsigned short) C) +  in ints()
135          (a < (unsigned char) C) +  in ints()
136          ((long) a < C) +  in ints()
137          ((int) a < C) +  in ints()
138 …((short) a < C) + // expected-warning {{comparison of constant 'C' (65536) with expression of type…  in ints()
139 …((signed char) a < C) + // expected-warning {{comparison of constant 'C' (65536) with expression o…  in ints()
140 …((long) a < (unsigned long) C) +  // expected-warning {{comparison of integers of different signs}}  in ints()
141 …  ((int) a < (unsigned int) C) +  // expected-warning {{comparison of integers of different signs}}  in ints()
142          ((short) a < (unsigned short) C) +  in ints()
143          ((signed char) a < (unsigned char) C) +  in ints()