/* Test for integer promotion rules: C90 subset of types. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ #include #define CHECK(T1, T2, TC) \ do { \ T1 a = 0; \ T2 b = 0; \ TC *c = 0; \ __typeof__(a+b) *d = 0; \ c = d; \ d = c; \ } while (0) void f (void) { /* One type is unsigned long. */ CHECK(unsigned long, unsigned long, unsigned long); CHECK(unsigned int, unsigned long, unsigned long); CHECK(unsigned long, unsigned int, unsigned long); CHECK(int, unsigned long, unsigned long); CHECK(long, unsigned long, unsigned long); CHECK(unsigned long, int, unsigned long); CHECK(unsigned long, long, unsigned long); /* long and unsigned int. */ #if LONG_MAX >= UINT_MAX CHECK(unsigned int, long, long); CHECK(long, unsigned int, long); #else CHECK(unsigned int, long, unsigned long); CHECK(long, unsigned int, unsigned long); #endif /* One type is long. */ CHECK(long, long, long); CHECK(int, long, long); CHECK(long, int, long); /* One type is unsigned int. */ CHECK(unsigned int, unsigned int, unsigned int); CHECK(int, unsigned int, unsigned int); CHECK(unsigned int, int, unsigned int); /* Otherwise int. */ CHECK(int, int, int); }