c++/2532: Internal compiler Error in template

[mgeddes@cybergraphic.com.au]

>Number:         2532
>Category:       c++
>Synopsis:       Internal compiler Error in template
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 11 00:56:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Michael Geddes
>Release:        gcc version egcs-2.91.66 19990314 (egcs-1.1.2 release)
>Organization:
>Environment:
Win32
>Description:
Compilation of this Code Crashes (no includes)
Both the is_const and is_volatile instantiations crash.


namespace detail{
	typedef char yes_result;
	typedef char (&no_result)[8];
	yes_result is_const_helper(const volatile void*);
	no_result is_const_helper(volatile void *);
	yes_result is_volatile_helper(const volatile void*);
	no_result is_volatile_helper(const void *);
}

template <typename T> struct is_const
{ 
private:
	static T t;
public:
	enum{ result = (sizeof(detail::yes_result) == sizeof(detail::is_const_helper(&t))) }; 
};

template <typename T> struct is_volatile
{ 
private:
	static T t;
public:
	enum{ result = (sizeof(detail::yes_result) == sizeof(detail::is_volatile_helper(&t))) }; 
};        
is_const<int> fred;
is_volatile<int> fred;

>How-To-Repeat:
Compile the speficied code
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: