On 03/28/2012 06:40 PM, Paolo Carlini wrote:
+         /* 12.4/3  */
+         if (cxx_dialect>= cxx0x
+             && DECL_DESTRUCTOR_P (decl)
+             && TYPE_RAISES_EXCEPTIONS (TREE_TYPE (old_decl)))
+           deduce_noexcept_on_destructor (decl);

The exception specification on old_decl doesn't matter; we can drop that test.

2- The new register_specialization bits are needed to cope with (also in the 
C++ library and elsewhere):

That's the wrong place. Why doesn't the code in grokfndecl handle this case?


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