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libcpp: Enable P1949R7 for C++98 too [PR100977]

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On Mon, Nov 29, 2021 at 05:53:58PM -0500, Jason Merrill wrote:
> I'm inclined to go ahead and change C++98 as well; I doubt anyone is relying
> on the particular C++98 extended character set rules, and we already accept
> the union of the different sets when not pedantic.

Ok, here is an incremental patch to do that also for -std={c,gnu}++98.

2021-12-01  Jakub Jelinek  <jakub@redhat.com>

	PR c++/100977
	* init.c (struct lang_flags): Remove cxx23_identifiers.
	(lang_defaults): Remove cxx23_identifiers initializers.
	(cpp_set_lang): Don't copy cxx23_identifiers.
	* include/cpplib.h (struct cpp_options): Adjust comment about
	c11_identifiers.  Remove cxx23_identifiers field.
	* lex.c (warn_about_normalization): Use cplusplus instead of
	cxx23_identifiers.
	* charset.c (ucn_valid_in_identifier): Likewise.

	* g++.dg/cpp/ucnid-1.C: Adjust expected diagnostics.
	* g++.dg/cpp/ucnid-1-utf8.C: Likewise.
This commit is contained in:
Jakub Jelinek 2021-12-01 10:21:20 +01:00
parent 35f2c098c8
commit c264208e16
6 changed files with 45 additions and 53 deletions
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6
libcpp/include/cpplib.h
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@ -491,13 +491,9 @@ struct cpp_options
unsigned char ext_numeric_literals;
/* Nonzero means extended identifiers allow the characters specified
in C11 and C++11. */
in C11. */
unsigned char c11_identifiers;
/* Nonzero means extended identifiers allow the characters specified
in C++23. */
unsigned char cxx23_identifiers;
/* Nonzero for C++ 2014 Standard binary constants. */
unsigned char binary_constants;