C2x has two enhancements to enumerations: allowing enumerations whose
values do not all fit in int (similar to an existing extension), and
allowing an underlying type to be specified (as in C++). This patch
implements the first of those enhancements.
Apart from adjusting diagnostics to reflect th
On Tue, Oct 18, 2022 at 02:08:40PM +, Joseph Myers wrote:
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/c2x-enum-1.c
> @@ -0,0 +1,104 @@
> +/* Test C2x enumerations with values not representable in int. */
> +/* { dg-do compile } */
> +/* { dg-options "-std=c2x -pedantic-errors" } */
> +
> +/*
On Wed, 19 Oct 2022, Jakub Jelinek wrote:
> > +/* Likewise, for overflow from long to long long. */
> > +#if __LONG_LONG_MAX__ > __LONG_MAX__
> > +enum e5 { e5a = __LONG_MAX__,
> > + e5b, e5c, e5d = ((typeof (e5b)) -1) < 0,
> > + e5e = (unsigned long) -1,
> > + e5f, e5g = ((typeof (e5
