[cfe-dev] Surprising cast

[John McCall]

On Dec 11, 2010, at 9:21 AM, Abramo Bagnara wrote:
> $ cat p.c
> enum {
>  a = 1
> };
> $ clang -cc1 -ast-dump p.c
> typedef char *__builtin_va_list;
> enum  {
>    a = (ImplicitCastExpr 0xb9e11f0 <p.c:2:7> 'int' <IntegralCast>
>  (IntegerLiteral 0xb9e11a0 <col:7> 'int' 1))
> 
> };
> 
> The implicit cast from int to int is deliberate?

Seems unnecessary to me;  probably something is just making an explicit expression instead of using ImpCastExprToType (which would be appropriate here, I think).

John.