1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wconversion -std=c++11 -verify %s
2 // RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wconversion -std=c++11 %s 2>&1 | File…
19     return (E - I); // expected-warning {{implicit conversion loses integer precision}}  in test1_positive()
23     return static_cast<int32_t>(E - I);  in test1_negative()
27     return x; // expected-warning {{implicit conversion loses integer precision}}  in test2_positive()
53 …A() : x(10) {} // expected-warning {{implicit truncation from 'int' to bitfield changes value from…  in A()
57 // This file tests -Wnull-conversion, a subcategory of -Wconversion
61   int a = NULL; // expected-warning {{implicit conversion of NULL constant to 'int'}}  in test3()
63   b = NULL; // expected-warning {{implicit conversion of NULL constant to 'int'}}  in test3()
65   int c = ((((NULL)))); // expected-warning {{implicit conversion of NULL constant to 'int'}}  in test3()
67   d = ((((NULL)))); // expected-warning {{implicit conversion of NULL constant to 'int'}}  in test3()
68   bool bl = NULL; // expected-warning {{implicit conversion of NULL constant to 'bool'}}  in test3()
69   char ch = NULL; // expected-warning {{implicit conversion of NULL constant to 'char'}}  in test3()
70 …unsigned char uch = NULL; // expected-warning {{implicit conversion of NULL constant to 'unsigned …  in test3()
71   short sh = NULL; // expected-warning {{implicit conversion of NULL constant to 'short'}}  in test3()
72   double dbl = NULL; // expected-warning {{implicit conversion of NULL constant to 'double'}}  in test3()
74   // Use FileCheck to ensure we don't get any unnecessary macro-expansion notes   in test3()
75   // (that don't appear as 'real' notes & can't be seen/tested by -verify)  in test3()
76   // CHECK-NOT: note:  in test3()
79   FINIT // expected-warning {{implicit conversion of NULL constant to 'int'}}  in test3()
94 …// FIXME: We should warn for non-dependent args (only when the param type is also non-dependent) o…
97   void tmpl(char c = NULL, // expected-warning 3 {{implicit conversion of NULL constant to 'char'}}  in tmpl()
98             T a = NULL, // expected-warning {{implicit conversion of NULL constant to 'char'}} \  in tmpl()
99                            expected-warning {{implicit conversion of NULL constant to 'int'}}  in tmpl()
100 …T b = 1024) { // expected-warning {{implicit conversion from 'int' to 'char' changes value from 10…
108 …tmpl<char>(); // expected-note 2 {{in instantiation of default function argument expression for 't…  in func()
109 …tmpl<int>(); // expected-note 2 {{in instantiation of default function argument expression for 'tm…  in func()
132     bool x = nullptr; // expected-warning {{implicit conversion of nullptr constant to 'bool'}}  in fun()
133     if (nullptr) {} // expected-warning {{implicit conversion of nullptr constant to 'bool'}}  in fun()
134     return nullptr; // expected-warning {{implicit conversion of nullptr constant to 'bool'}}  in fun()
255   x  // expected-warning{{}}  in run()
260 // More tests with macros.  Specficially, test function-like macros that either
278 …CHECK13(some_bool_function(nullptr));  // expected-warning{{implicit conversion of nullptr constan…  in function2()
279 …CHECK13(some_bool_function(NULL));  // expected-warning{{implicit conversion of NULL constant to '…  in function2()