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PR c++/88373 - wrong parse error with ~.

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* parser.c (cp_parser_template_name): Check tag_type for
	none_type.

	* g++.dg/cpp2a/fn-template19.C: New test.

From-SVN: r266865
This commit is contained in:
Marek Polacek 2018-12-06 19:43:17 +00:00 committed by Marek Polacek
parent c438ab79bf
commit 89a249f2ec
4 changed files with 24 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2018-12-06 Marek Polacek <polacek@redhat.com>
PR c++/88373 - wrong parse error with ~.
* parser.c (cp_parser_template_name): Check tag_type for
none_type.
2018-12-06 Segher Boessenkool <segher@kernel.crashing.org>
* cp-tree.h (finish_asm_stmt): Update declaration.

3
gcc/cp/parser.c
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@ -16579,7 +16579,8 @@ cp_parser_template_name (cp_parser* parser,
if (!found
&& (cxx_dialect > cxx17)
&& !scoped_p
&& cp_lexer_next_token_is (parser->lexer, CPP_LESS))
&& cp_lexer_next_token_is (parser->lexer, CPP_LESS)
&& tag_type == none_type)
{
/* [temp.names] says "A name is also considered to refer to a template
if it is an unqualified-id followed by a < and name lookup finds

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2018-12-06 Marek Polacek <polacek@redhat.com>
PR c++/88373 - wrong parse error with ~.
* g++.dg/cpp2a/fn-template19.C: New test.
2018-12-06 Richard Sandiford <richard.sandiford@arm.com>
* gcc.dg/vect/vect-over-widen-23.c: Remove unwanted line.

11
gcc/testsuite/g++.dg/cpp2a/fn-template19.C Normal file
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@ -0,0 +1,11 @@
// PR c++/88373
// { dg-do compile }
// { dg-options "-std=c++2a" }
template <class T>
constexpr T value = T {};
template <class T, T t>
struct S {};
using U = S <int, ~value <int>>;