Viewing file:  tpl-atomic-2.C (1.11 KB) -rw-r--r--
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// { dg-do compile }
struct S { int x; } s;
// Make sure we detect errors on non-type-dependent things
// even when the templates are never instantiated.
template<typename T> void f1()
{
#pragma omp atomic // { dg-error "invalid" }
s += 1;
}
template<typename T> void f2(float *f)
{
#pragma omp atomic // { dg-error "invalid" }
*f |= 1; // { dg-message "evaluation" "" { target *-*-* } .-1 }
}
// Here the rhs is dependent, but not type dependent.
template<typename T> void f3(float *f)
{
#pragma omp atomic // { dg-error "invalid" }
*f |= sizeof (T); // { dg-message "evaluation" "" { target *-*-* } .-1 }
}
// And the converse, no error here because we're never fed a T.
template<typename T> void f4(T *t)
{
#pragma omp atomic
*t += 1;
}
// Here we'll let it go, because the rhs is type dependent and
// we can't properly instantiate the statement, and we do most
// of the semantic analysis concurrent with that.
template<typename T> void f5(float *f)
{
#pragma omp atomic // { dg-error "invalid" "" { xfail *-*-* } }
*f |= (T)sizeof(T); // { dg-error "evaluation" "" { xfail *-*-* } }
}
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