Ping?
> -----Original Message-----
> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches-
> ow...@gcc.gnu.org] On Behalf Of Thomas Preud'homme
> Sent: Monday, September 29, 2014 3:33 PM
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH, C++] Fix PR63366: __complex not equivalent to
> __complex double in C++
>
> According to a comment in grokdeclarator in file gcc/cp/decl.c:
>
> /* If we just have "complex", it is equivalent to
> "complex double", but if any modifiers at all are specified it is
> the complex form of TYPE. E.g, "complex short" is
> "complex short int". */
>
> Yet, __complex is equivalent to __complex int as shows the following
> testcase:
>
> #include <typeinfo>
>
> int
> main (void)
> {
> return typeid (__complex) != typeid (__complex int);
> }
>
> The following patch fix the problem.
>
>
> ChangeLog are as follows:
>
> *** gcc/cp/ChangeLog ***
>
> 2014-09-26 Thomas Preud'homme <thomas.preudho...@arm.com>
>
> PR C++/63366
> * decl.c (grokdeclarator): Set defaulted_int when defaulting to
> int
> because type is null.
>
> *** gcc/testsuite/ChangeLog ***
>
> 2014-10-26 Thomas Preud'homme <thomas.preudho...@arm.com>
>
> PR C++/63366
> * g++.dg/torture/pr63366.C: New test.
>
>
> diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
> index d26a432..449efdf 100644
> --- a/gcc/cp/decl.c
> +++ b/gcc/cp/decl.c
> @@ -9212,6 +9212,7 @@ grokdeclarator (const cp_declarator *declarator,
> "ISO C++ forbids declaration of %qs with no type", name);
>
> type = integer_type_node;
> + defaulted_int = 1;
> }
>
> ctype = NULL_TREE;
> diff --git a/gcc/testsuite/g++.dg/torture/pr63366.C
> b/gcc/testsuite/g++.dg/torture/pr63366.C
> new file mode 100644
> index 0000000..af59b98
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/torture/pr63366.C
> @@ -0,0 +1,11 @@
> +// { dg-do run }
> +// { dg-options "-fpermissive" }
> +// { dg-prune-output "ISO C\\+\\+ forbids declaration of 'type name'
> with no type" }
> +
> +#include <typeinfo>
> +
> +int
> +main (void)
> +{
> + return typeid (__complex) != typeid (__complex double);
> +}
>
>
> Is this ok for trunk?
>
> Best regards,
>
> Thomas Preud'homme
>
>
>
