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/* Test disabling -Wtype-limits. */
/* { dg-do compile } */
/* { dg-options "-Wextra -Wno-type-limits" } */
extern void assert (int);
void a (unsigned char x)
{
if (x < 0) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
if (x >= 0) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
if (0 > x) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
if (0 <= x) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
if (x <= 255) /* { dg-bogus "comparison is always true due to limited range of data type" } */
return;
if (255 >= x) /* { dg-bogus "comparison is always true due to limited range of data type" } */
return;
if ((int)x <= 255)
return;
if (255 >= (unsigned char) 1)
return;
}
void b (unsigned short x)
{
if (x < 0) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
if (x >= 0) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
if (0 > x) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
if (0 <= x) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
}
void c (unsigned int x)
{
if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
if (1U >= 0) return;
if (1U < 0) return;
if (0 <= 1U) return;
if (0 > 1U) return;
}
void d (unsigned long x)
{
if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
}
void e (unsigned long long x)
{
if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
}
int test (int x)
{
if ((long long)x <= 0x123456789ABCLL) /* { dg-bogus "comparison is always true due to limited range of data type" } */
return 1;
else
return 0;
}
template <typename Int, Int D>
void f(Int x) {
assert(0 <= x and x <= D); // { dg-bogus "comparison is always true due to limited range of data type" }
}
int ff(void) {
f<unsigned char, 2>(5);
f<signed char, 2>(5);
}
template <typename Int, Int D>
void g(void) {
assert(0 <= D);
}
int gg(void) {
g<unsigned char, 2>();
}
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