[Bug c++/47488] [4.4,4.5,4.6 Regression] (sizeof|decltype) + template + string literals: ICE in write_template_arg_literal, at cp/mangle.c

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47488

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jason at redhat dot com

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-27 20:17:06 
UTC ---
(In reply to comment #2)
> For this variation where f<T> is not deduced, 4.4 says "sorry, unimplemented"
> but doesn't ICE, 4.5 and 4.6 ICE in the same place:
> 
> template < typename T >
> int f( const char * );
> 
> template<int> struct N { };
> 
> template < typename T >
> N<sizeof( f<T>( "" ) )> g( const T &t );
> 
> void h()
> {
>     g( 0 );
> }

It is caused by revision 140120:

http://gcc.gnu.org/ml/gcc-cvs/2008-09/msg00279.html