{"id":808307,"url":"http://patchwork.ozlabs.org/api/patches/808307/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20170831164716.GA21975@redhat.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170831164716.GA21975@redhat.com>","list_archive_url":null,"date":"2017-08-31T16:47:16","name":"PR c++/82039 suppress -Wzero-as-null-pointer-constant warning","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"836db0ac39fc52fc6e05e83ecaf6375ed35b3553","submitter":{"id":48004,"url":"http://patchwork.ozlabs.org/api/people/48004/?format=json","name":"Jonathan Wakely","email":"jwakely@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20170831164716.GA21975@redhat.com/mbox/","series":[{"id":872,"url":"http://patchwork.ozlabs.org/api/series/872/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=872","date":"2017-08-31T16:47:16","name":"PR c++/82039 suppress -Wzero-as-null-pointer-constant warning","version":1,"mbox":"http://patchwork.ozlabs.org/series/872/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/808307/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808307/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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boundary=\"HlL+5n6rz5pIUxbD\"","Content-Disposition":"inline","X-Clacks-Overhead":"GNU Terry Pratchett","User-Agent":"Mutt/1.8.3 (2017-05-23)"},"content":"This avoids an unhelpful warning from a system header. Users can't\nchange the code to avoid the warning, and we don't want to change it\n(because it needs to work for C++98 as well as later versions).\n\n\tPR c++/82039\n\t* include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):\n\tAdjust null pointer constant to avoid warning\n\nTested powerpc64le-linux, committed to trunk.\ncommit 84cedda4ddf90070f8b5d9132be1bf401183cf1c\nAuthor: Jonathan Wakely \nDate: Thu Aug 31 12:25:34 2017 +0100\n\n PR c++/82039 suppress -Wzero-as-null-pointer-constant warning\n \n PR c++/82039\n * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):\n Adjust null pointer constant to avoid warning.","diff":"diff --git a/libstdc++-v3/include/ext/new_allocator.h b/libstdc++-v3/include/ext/new_allocator.h\nindex ee64b9c6447..e1e152c4bf0 100644\n--- a/libstdc++-v3/include/ext/new_allocator.h\n+++ b/libstdc++-v3/include/ext/new_allocator.h\n@@ -96,7 +96,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n // NB: __n is permitted to be 0. The C++ standard says nothing\n // about what the return value is when __n == 0.\n pointer\n- allocate(size_type __n, const void* = 0)\n+ allocate(size_type __n, const void* = static_cast(0))\n {\n \tif (__n > this->max_size())\n \t std::__throw_bad_alloc();\n","prefixes":[]}