Unexpected compiler error ( error: template argument 1 is invalid ) when using <limits> and using -m32 option on 64-bit system.

[Ángel González]

On 24/05/12 15:27, Delcypher wrote:
> $ g++ -m64 limits.cpp
>
> compilation succeeds. However if I compile as follows I get a rather
> unhelpful error.
>
> $ g++ -m32 limits.cpp
> In file included from limits.cpp:1:0:
> /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/limits:1405:35:
> error: template argument 1 is invalid
> /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/limits:1479:44:
> error: template argument 1 is invalid
>
> Seems a very strange error message to give as I took a look at the
> numeric_limits templates in the <limits> header file and it looks
> perfectly valid.
>
> Is this a bug or a "feature"?
>
> Regards,
> Dan.
Works for me with the same version.