[PATCH] Revision 3: utf-16 and utf-32 support in C and C++

[Danny Smith]

>  >
>  > This can be avoided by only testing the line on targets with at least
>  > 4-byte wchar_t, eg
>  >
>  > #if (__SIZEOF_WCHAR_T >= 4)
>  > char16_t      c9 = L'\U00064321';     /* { dg-warning "implicitly truncated" } */
>  > #endif
>
>  > Is that the right thing to do?
>
>  That won't work, the testsuite framework won't recognize that
>  the line with the warning is not processed and will still look
>  for the warning.  The test would also need to skip the dg-warning
>  directive by adding "{ target xxx }", where xxx is a new
>  effective-target keyword for a target whose wchar_t is at least
>  four bytes.
>
Thanks for the advice.  How is this (attached)?

2008-05-06  Danny Smith  <dannysmith@users.sourceforge.net>

	* lib/target_supports.exp (check_effective_target_4byte_wchar_t):
	New proc.
	* gcc.dg/utf16-4.c: Use it.
	* gcc.dg/utf32-4.c: Use it.
	* g++.dg/ext/utf16-4.C: Use it.
	* gcc.dg/ext/utf32-4.C: Use it.

Danny
>  Janis
>
>
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