+
−/* Test for integer promotion rules: extended to long long by C99.  */
+
−/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+
−/* { dg-do compile } */
+
−/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
−
+
−#include <limits.h>
+
−
+
−#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)
+
−{
+
−  /* Same type.  */
+
−  CHECK(int, int, int);
+
−  CHECK(unsigned int, unsigned int, unsigned int);
+
−  CHECK(long, long, long);
+
−  CHECK(unsigned long, unsigned long, unsigned long);
+
−  CHECK(long long, long long, long long);
+
−  CHECK(unsigned long long, unsigned long long, unsigned long long);
+
−  /* Both signed.  */
+
−  CHECK(int, long, long);
+
−  CHECK(int, long long, long long);
+
−  CHECK(long, int, long);
+
−  CHECK(long, long long, long long);
+
−  CHECK(long long, int, long long);
+
−  CHECK(long long, long, long long);
+
−  /* Both unsigned.  */
+
−  CHECK(unsigned int, unsigned long, unsigned long);
+
−  CHECK(unsigned int, unsigned long long, unsigned long long);
+
−  CHECK(unsigned long, unsigned int, unsigned long);
+
−  CHECK(unsigned long, unsigned long long, unsigned long long);
+
−  CHECK(unsigned long long, unsigned int, unsigned long long);
+
−  CHECK(unsigned long long, unsigned long, unsigned long long);
+
−  /* Unsigned of greater or equal rank.  */
+
−  CHECK(int, unsigned int, unsigned int);
+
−  CHECK(int, unsigned long, unsigned long);
+
−  CHECK(int, unsigned long long, unsigned long long);
+
−  CHECK(unsigned int, int, unsigned int);
+
−  CHECK(long, unsigned long, unsigned long);
+
−  CHECK(long, unsigned long long, unsigned long long);
+
−  CHECK(unsigned long, int, unsigned long);
+
−  CHECK(unsigned long, long, unsigned long);
+
−  CHECK(long long, unsigned long long, unsigned long long);
+
−  CHECK(unsigned long long, int, unsigned long long);
+
−  CHECK(unsigned long long, long, unsigned long long);
+
−  CHECK(unsigned long long, long long, unsigned long long);
+
−  /* Signed of greater rank.  */
+
−#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
+
−#if LLONG_MAX >= UINT_MAX
+
−  CHECK(unsigned int, long long, long long);
+
−  CHECK(long long, unsigned int, long long);
+
−#else
+
−  CHECK(unsigned int, long long, unsigned long long);
+
−  CHECK(long long, unsigned int, unsigned long long);
+
−#endif
+
−#if LLONG_MAX >= ULONG_MAX
+
−  CHECK(unsigned long, long long, long long);
+
−  CHECK(long long, unsigned long, long long);
+
−#else
+
−  CHECK(unsigned long, long long, unsigned long long);
+
−  CHECK(long long, unsigned long, unsigned long long);
+
−#endif
+
−}