diff options
author | Jason Merrill <jason@redhat.com> | 2014-03-07 15:00:36 -0500 |
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committer | Jason Merrill <jason@gcc.gnu.org> | 2014-03-07 15:00:36 -0500 |
commit | 968b3503744d250ed8980faf2d37143ad51fb7c8 (patch) | |
tree | 36619156fdc929f43514d2249f144bec423a1c74 | |
parent | d08a068b5e0d964152ee22435567c5279ada25ed (diff) | |
download | gcc-968b3503744d250ed8980faf2d37143ad51fb7c8.zip gcc-968b3503744d250ed8980faf2d37143ad51fb7c8.tar.gz gcc-968b3503744d250ed8980faf2d37143ad51fb7c8.tar.bz2 |
parser.c (cp_parser_type_id_1): Only allow 'auto' in C++1y if we're in a trailing return type.
* parser.c (cp_parser_type_id_1): Only allow 'auto' in C++1y if
we're in a trailing return type.
From-SVN: r208415
-rw-r--r-- | gcc/cp/ChangeLog | 3 | ||||
-rw-r--r-- | gcc/cp/parser.c | 4 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/cpp1y/pr59110.C | 2 |
3 files changed, 7 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 99a71fb..140f53e 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,8 @@ 2014-03-07 Jason Merrill <jason@redhat.com> + * parser.c (cp_parser_type_id_1): Only allow 'auto' in C++1y if + we're in a trailing return type. + * typeck.c (comp_template_parms_position): 'auto' and 'decltype(auto)' are different from real template parms. diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 71a2a9e..5725283 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -17992,7 +17992,9 @@ cp_parser_type_id_1 (cp_parser* parser, bool is_template_arg, abstract_declarator = NULL; if (type_specifier_seq.type - && cxx_dialect < cxx1y + /* None of the valid uses of 'auto' in C++14 involve the type-id + nonterminal, but it is valid in a trailing-return-type. */ + && !(cxx_dialect >= cxx1y && is_trailing_return) && type_uses_auto (type_specifier_seq.type)) { /* A type-id with type 'auto' is only ok if the abstract declarator diff --git a/gcc/testsuite/g++.dg/cpp1y/pr59110.C b/gcc/testsuite/g++.dg/cpp1y/pr59110.C index dbbfa9b..5c9c208 100644 --- a/gcc/testsuite/g++.dg/cpp1y/pr59110.C +++ b/gcc/testsuite/g++.dg/cpp1y/pr59110.C @@ -1,4 +1,4 @@ // PR c++/59110 // { dg-options "-std=c++1y" } -int i = *(auto*)0; // { dg-error "cannot convert" } +int i = *(auto*)0; // { dg-error "" } |