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// PR c++/34198
// { dg-do compile }
// { dg-options "-O2 -Wconversion -Wsign-conversion" }
signed char sc;
unsigned char uc;
short int ss;
unsigned short int us;
int si;
unsigned int ui;
void test1 (void)
{
int a = uc & 0xff;
int b = sc & 0x7f;
int c = 0xff & uc;
int d = 0x7f & sc;
int e = uc & sc;
unsigned char f = (int) uc;
signed char g = (int) sc;
unsigned char h = (unsigned int) (short int) uc;
signed char i = (int) (unsigned short int) sc; // { dg-warning "may alter its value" }
unsigned char j = (unsigned int) (short int) us; // { dg-warning "may alter its value" }
signed char k = (int) (unsigned short int) ss; // { dg-warning "may alter its value" }
}
void test2 (void)
{
signed char a = (unsigned char) sc; // { dg-warning "may change the sign" }
unsigned char b = (signed char) uc; // { dg-warning "may change the sign" }
signed char c = (int) (unsigned char) sc; // { dg-warning "may change the sign" }
unsigned char d = (int) (signed char) uc; // { dg-warning "may change the sign" }
int e = (unsigned int) si; // { dg-warning "may change the sign" }
unsigned int f = (int) ui; // { dg-warning "may change the sign" }
}
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