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GET /api/patches/2219848/?format=api
{ "id": 2219848, "url": "http://patchwork.ozlabs.org/api/patches/2219848/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/ff801c38-75fc-4876-8733-291a3cee33d2@gmail.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "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": "<ff801c38-75fc-4876-8733-291a3cee33d2@gmail.com>", "list_archive_url": null, "date": "2026-04-04T22:30:26", "name": "c++: Fix unary negation of nullptr [PR123087]", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "01bfe4399a9d9d9af2aab8379de7c13fc8d6682c", "submitter": { "id": 91010, "url": "http://patchwork.ozlabs.org/api/people/91010/?format=api", "name": "Eczbek", "email": "eczbek.void@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/ff801c38-75fc-4876-8733-291a3cee33d2@gmail.com/mbox/", "series": [ { "id": 498752, "url": "http://patchwork.ozlabs.org/api/series/498752/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=498752", "date": "2026-04-04T22:30:26", "name": "c++: Fix unary negation of nullptr [PR123087]", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498752/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219848/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219848/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=B1DgJxIM;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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charset=UTF-8; format=flowed", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From 2ace27c73fd513bc63f16d28bc7c13dfd33be552 Mon Sep 17 00:00:00 2001\nFrom: Eczbek <eczbek.void@gmail.com>\nDate: Sat, 21 Mar 2026 04:23:13 -0400\nSubject: [PATCH] c++: Fix unary negation of nullptr [PR123087]\n\n [expr.unary.op] paragraph 9 says that the operand is\n contextually converted to bool, so this should be legal.\n\n PR c++/123087\n\ngcc/cp/ChangeLog:\n\n * typeck.cc (cp_build_unary_op): For TRUTH_NOT_EXPR, replace\n call to perform_implicit_conversion with call to\n contextual_conv_bool.\n\ngcc/testsuite/ChangeLog:\n\n * g++.dg/DRs/dr1423.C: Additonal test.\n---\n gcc/cp/typeck.cc | 3 +--\n gcc/testsuite/g++.dg/DRs/dr1423.C | 1 +\n 2 files changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/gcc/cp/typeck.cc b/gcc/cp/typeck.cc\nindex 79eb3b5ba28..e019d6e22a9 100644\n--- a/gcc/cp/typeck.cc\n+++ b/gcc/cp/typeck.cc\n@@ -7854,8 +7854,7 @@ cp_build_unary_op (enum tree_code code, tree xarg, bool noconvert,\n if (gnu_vector_type_p (TREE_TYPE (arg)))\n return cp_build_binary_op (input_location, EQ_EXPR, arg,\n build_zero_cst (TREE_TYPE (arg)), complain);\n- arg = perform_implicit_conversion (boolean_type_node, arg,\n- complain);\n+ arg = contextual_conv_bool (arg, complain);\n if (arg != error_mark_node)\n {\n if (processing_template_decl)\ndiff --git a/gcc/testsuite/g++.dg/DRs/dr1423.C b/gcc/testsuite/g++.dg/DRs/dr1423.C\nindex d82baae9985..75bc5e0bc99 100644\n--- a/gcc/testsuite/g++.dg/DRs/dr1423.C\n+++ b/gcc/testsuite/g++.dg/DRs/dr1423.C\n@@ -5,3 +5,4 @@ bool b = nullptr; // { dg-error \"converting to .bool. from .std::nullptr_t. requ\n bool b2(nullptr);\n bool b3{nullptr};\n bool b4 = { nullptr }; // { dg-error \"converting to .bool. from .std::nullptr_t. requires direct-initialization\" }\n+bool b5 = !nullptr;\n", "prefixes": [] }