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PR c++/86728 - C variadic generic lambda.

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* parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
	a pack if it's followed by a declarator-id.

From-SVN: r263484
This commit is contained in:
Jason Merrill 2018-08-11 06:47:03 -04:00 • committed by Jason Merrill
parent 1d03ff3ff1
commit fc186cbd1c
3 changed files with 12 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2018-08-10 Jason Merrill <jason@redhat.com>
PR c++/86728 - C variadic generic lambda.
* parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
a pack if it's followed by a declarator-id.
2018-08-08 Jakub Jelinek <jakub@redhat.com>
P0595R1 - is_constant_evaluated

3
gcc/cp/parser.c
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@ -21722,7 +21722,8 @@ cp_parser_parameter_declaration (cp_parser *parser,
parameter was introduced during cp_parser_parameter_declaration,
change any implicit parameters introduced into packs. */
if (parser->implicit_template_parms
&& (token->type == CPP_ELLIPSIS
&& ((token->type == CPP_ELLIPSIS
&& declarator_can_be_parameter_pack (declarator))
|| (declarator && declarator->parameter_pack_p)))
{
int latest_template_parm_idx = TREE_VEC_LENGTH

4
gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic19.C Normal file
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@ -0,0 +1,4 @@
// PR c++/86728
// { dg-do compile { target c++14 } }
auto c = [](auto x ...) { };