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Do not diagnose lambda default arguments in c++14 modes. 

* parser.c (cp_parser_lambda_declarator_opt): Make the pedwarn
	conditional.

From-SVN: r215274
This commit is contained in:
Ville Voutilainen 2014-09-15 22:31:35 +03:00 committed by Jason Merrill
parent 717c478953
commit 6a3d8ef0b8
3 changed files with 8 additions and 2 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2014-09-15 Ville Voutilainen <ville.voutilainen@gmail.com>
Do not diagnose lambda default arguments in c++14 modes.
* parser.c (cp_parser_lambda_declarator_opt): Make the pedwarn
conditional.
2014-09-15 Jakub Jelinek <jakub@redhat.com> 2014-09-15 Jakub Jelinek <jakub@redhat.com>
* Make-lang.in (check_g++_parallelize): Change to just an upper bound * Make-lang.in (check_g++_parallelize): Change to just an upper bound

2
gcc/cp/parser.c
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@ -9222,7 +9222,7 @@ cp_parser_lambda_declarator_opt (cp_parser* parser, tree lambda_expr)
/* Default arguments shall not be specified in the /* Default arguments shall not be specified in the
parameter-declaration-clause of a lambda-declarator. */ parameter-declaration-clause of a lambda-declarator. */
for (tree t = param_list; t; t = TREE_CHAIN (t)) for (tree t = param_list; t; t = TREE_CHAIN (t))
if (TREE_PURPOSE (t)) if (TREE_PURPOSE (t) && cxx_dialect < cxx14)
pedwarn (DECL_SOURCE_LOCATION (TREE_VALUE (t)), OPT_Wpedantic, pedwarn (DECL_SOURCE_LOCATION (TREE_VALUE (t)), OPT_Wpedantic,
"default argument specified for lambda parameter"); "default argument specified for lambda parameter");

2
gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg.C
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@ -2,5 +2,5 @@
int main() int main()
{ {
[](int a = 1) { return a; }(); // { dg-error "" } [](int a = 1) { return a; }(); // { dg-error "default argument" "" { target { c++11_only } } }
} }