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PR c++/54526 (again)

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/libcpp
2013-01-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54526 (again)
	* lex.c (_cpp_lex_direct): In C++11 mode, implement 2.5 p3, bullet 2.

/gcc/cp
2013-01-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54526 (again)
	* parser.c (cp_parser_template_id): Revert core of previous change
	(keep adjusted inform message).

/gcc/testsuite
2013-01-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54526 (again)
	* g++.dg/cpp0x/parse2.C: Extend.
	* g++.old-deja/g++.other/crash28.C: Adjust.

From-SVN: r194909
This commit is contained in:
Paolo Carlini 2013-01-04 15:30:24 +00:00 committed by Paolo Carlini
parent 361618ec53
commit 1582c67762
7 changed files with 38 additions and 9 deletions
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6
gcc/cp/ChangeLog
View File

@ -1,3 +1,9 @@
2013-01-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54526 (again)
* parser.c (cp_parser_template_id): Revert core of previous change
(keep adjusted inform message).
2013-01-03 Jason Merrill <jason@redhat.com>
PR c++/55419

10
gcc/cp/parser.c
View File

@ -1,6 +1,6 @@
/* C++ Parser.
Copyright (C) 2000, 2001, 2002, 2003, 2004,
2005, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
2005, 2007-2013 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
This file is part of GCC.
@ -12655,11 +12655,9 @@ cp_parser_template_id (cp_parser *parser,
return error_mark_node;
}
/* Otherwise, emit an error about the invalid digraph, but continue
parsing because we got our argument list. In C++11 do not emit
any error, per 2.5/3. */
if (cxx_dialect < cxx0x
&& permerror (next_token->location,
"%<<::%> cannot begin a template-argument list"))
parsing because we got our argument list. */
if (permerror (next_token->location,
"%<<::%> cannot begin a template-argument list"))
{
static bool hint = false;
inform (next_token->location,

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2013-01-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54526 (again)
* g++.dg/cpp0x/parse2.C: Extend.
* g++.old-deja/g++.other/crash28.C: Adjust.
2013-01-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/55862

3
gcc/testsuite/g++.dg/cpp0x/parse2.C
View File

@ -10,3 +10,6 @@ int main()
{
X<::A> x;
}
int a;
bool b = 0<::a;

2
gcc/testsuite/g++.old-deja/g++.other/crash28.C
View File

@ -31,5 +31,5 @@ public:
};
void foo::x() throw(bar)
{
if (!b) throw bar (static_cast<::N::X*>(this)); // { dg-error "lambda expressions|expected" } parse error
if (!b) throw bar (static_cast<::N::X*>(this)); // { dg-error "lambda expressions|expected|invalid" } parse error
}

5
libcpp/ChangeLog
View File

@ -1,3 +1,8 @@
2013-01-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54526 (again)
* lex.c (_cpp_lex_direct): In C++11 mode, implement 2.5 p3, bullet 2.
2013-01-03 Marc Glisse <marc.glisse@inria.fr>
PR bootstrap/50177

15
libcpp/lex.c
View File

@ -1,6 +1,6 @@
/* CPP Library - lexical analysis.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010,
2011, 2012 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007-2013
Free Software Foundation, Inc.
Contributed by Per Bothner, 1994-95.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
@ -2290,6 +2290,17 @@ _cpp_lex_direct (cpp_reader *pfile)
{
if (*buffer->cur == ':')
{
/* C++11 [2.5/3 lex.pptoken], "Otherwise, if the next
three characters are <:: and the subsequent character
is neither : nor >, the < is treated as a preprocessor
token by itself". */
if (CPP_OPTION (pfile, cplusplus)
&& (CPP_OPTION (pfile, lang) == CLK_CXX11
|| CPP_OPTION (pfile, lang) == CLK_GNUCXX11)
&& buffer->cur[1] == ':'
&& buffer->cur[2] != ':' && buffer->cur[2] != '>')
break;
buffer->cur++;
result->flags |= DIGRAPH;
result->type = CPP_OPEN_SQUARE;