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// RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wconversion -verify %s
#include <stddef.h>
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef signed long int64_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long uint64_t;
// <rdar://problem/7909130>
namespace test0 {
int32_t test1_positive(char *I, char *E) {
return (E - I); // expected-warning {{implicit conversion loses integer precision}}
}
int32_t test1_negative(char *I, char *E) {
return static_cast<int32_t>(E - I);
}
uint32_t test2_positive(uint64_t x) {
return x; // expected-warning {{implicit conversion loses integer precision}}
}
uint32_t test2_negative(uint64_t x) {
return (uint32_t) x;
}
}
namespace test1 {
uint64_t test1(int x, unsigned y) {
return sizeof(x == y);
}
uint64_t test2(int x, unsigned y) {
return __alignof(x == y);
}
void * const foo();
bool test2(void *p) {
return p == foo();
}
}
namespace test2 {
struct A {
unsigned int x : 2;
A() : x(10) {} // expected-warning {{implicit truncation from 'int' to bitfield changes value from 10 to 2}}
};
}
void test3() {
int a = NULL; // expected-warning {{implicit conversion of NULL constant to integer}}
int b;
b = NULL; // expected-warning {{implicit conversion of NULL constant to integer}}
int c = ((((NULL)))); // expected-warning {{implicit conversion of NULL constant to integer}}
int d;
d = ((((NULL)))); // expected-warning {{implicit conversion of NULL constant to integer}}
}
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