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[Bug objc++/57607] g++ cannot distinguish obj-c message call from c++11 lambda
- From: "dougmencken at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Sep 2015 14:36:12 +0000
- Subject: [Bug objc++/57607] g++ cannot distinguish obj-c message call from c++11 lambda
- Auto-submitted: auto-generated
- References: <bug-57607-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57607
Douglas Mencken <dougmencken at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dougmencken at gmail dot com
--- Comment #1 from Douglas Mencken <dougmencken at gmail dot com> ---
I confirm it: still here with 4.9.2
$ g++ -std=c++11 test.mm && ./a.out
test.mm: In function 'int main()':
test.mm:8:10: error: expected identifier before ']' token
[] () { std::cout << "Hello world!" << std::endl; }();
^
test.mm:8:10: error: '<expression error>' is not an Objective-C class name or
alias
test.mm:8:10: error: objective-c++ message argument(s) are expected before ']'
token
test.mm:8:61: error: expected primary-expression before ')' token
[] () { std::cout << "Hello world!" << std::endl; }();
^
$ g++ --version | head -1
g++ (GCC) 4.9.2
Issue also causes errors like
/usr/include/c++/4.9.2/bits/hashtable.h:878:15: error: objective-c++ message
argument(s) are expected before ']' token
[this](const __node_type* __n)
/usr/include/c++/4.9.2/bits/hashtable.h:916:17: error: objective-c++ message
argument(s) are expected before ']' token
[&__roan](const __node_type* __n)