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GET /api/1.2/patches/2223308/?format=api
{ "id": 2223308, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2223308/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260414231905.191063-43-arthur.cohen@embecosm.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260414231905.191063-43-arthur.cohen@embecosm.com>", "list_archive_url": null, "date": "2026-04-14T23:19:04", "name": "[COMMITTED,43/43] gccrs: backend: Prevent error_mark_node from leaking into const context", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bf515c2416608b628b33cf195940f7fbc7a6dc87", "submitter": { "id": 83476, "url": "http://patchwork.ozlabs.org/api/1.2/people/83476/?format=api", "name": "Arthur Cohen", "email": "arthur.cohen@embecosm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260414231905.191063-43-arthur.cohen@embecosm.com/mbox/", "series": [ { "id": 499900, "url": "http://patchwork.ozlabs.org/api/1.2/series/499900/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=499900", "date": "2026-04-14T23:18:24", "name": "[COMMITTED,01/43] gccrs: testsuite:Add a testcase for setup_associated_types", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499900/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223308/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223308/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" ], 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"<20260414231905.191063-43-arthur.cohen@embecosm.com>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260414231905.191063-1-arthur.cohen@embecosm.com>", "References": "<20260414231905.191063-1-arthur.cohen@embecosm.com>", "MIME-Version": "1.0", "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: jayant chauhan <0001jayant@gmail.com>\n\nFixes Rust-GCC#3910\n\ngcc/rust/ChangeLog:\n\n\t* backend/rust-compile-item.cc (CompileItem::visit): Do not insert\n\tconst_expr into the context if it is an error_mark_node.\n\t* backend/rust-compile-implitem.cc (CompileTraitItem::visit): Likewise.\n\ngcc/testsuite/ChangeLog:\n\n\t* rust/compile/issue-3910.rs: New test.\n\nSigned-off-by: jayant chauhan <0001jayant@gmail.com>\n---\n gcc/rust/backend/rust-compile-implitem.cc | 8 ++++++--\n gcc/rust/backend/rust-compile-item.cc | 7 +++++--\n gcc/testsuite/rust/compile/issue-3910.rs | 14 ++++++++++++++\n 3 files changed, 25 insertions(+), 4 deletions(-)\n create mode 100644 gcc/testsuite/rust/compile/issue-3910.rs", "diff": "diff --git a/gcc/rust/backend/rust-compile-implitem.cc b/gcc/rust/backend/rust-compile-implitem.cc\nindex f4adaa2dd10..c94f439e1d6 100644\n--- a/gcc/rust/backend/rust-compile-implitem.cc\n+++ b/gcc/rust/backend/rust-compile-implitem.cc\n@@ -44,8 +44,12 @@ CompileTraitItem::visit (HIR::TraitItemConst &constant)\n \t\t\t resolved_type, canonical_path, const_value_expr,\n \t\t\t constant.get_locus (),\n \t\t\t const_value_expr.get_locus ());\n- ctx->push_const (const_expr);\n- ctx->insert_const_decl (constant.get_mappings ().get_hirid (), const_expr);\n+ if (const_expr != error_mark_node)\n+ {\n+ ctx->push_const (const_expr);\n+ ctx->insert_const_decl (constant.get_mappings ().get_hirid (),\n+\t\t\t const_expr);\n+ }\n \n reference = const_expr;\n }\ndiff --git a/gcc/rust/backend/rust-compile-item.cc b/gcc/rust/backend/rust-compile-item.cc\nindex 28694361b1b..f9b003cf535 100644\n--- a/gcc/rust/backend/rust-compile-item.cc\n+++ b/gcc/rust/backend/rust-compile-item.cc\n@@ -129,8 +129,11 @@ CompileItem::visit (HIR::ConstantItem &constant)\n \t\t\t const_value_expr.get_locus ());\n ctx->pop_const_context ();\n \n- ctx->push_const (const_expr);\n- ctx->insert_const_decl (mappings.get_hirid (), const_expr);\n+ if (const_expr != error_mark_node)\n+ {\n+ ctx->push_const (const_expr);\n+ ctx->insert_const_decl (mappings.get_hirid (), const_expr);\n+ }\n reference = const_expr;\n }\n \ndiff --git a/gcc/testsuite/rust/compile/issue-3910.rs b/gcc/testsuite/rust/compile/issue-3910.rs\nnew file mode 100644\nindex 00000000000..57022943e0f\n--- /dev/null\n+++ b/gcc/testsuite/rust/compile/issue-3910.rs\n@@ -0,0 +1,14 @@\n+#![feature(no_core)]\n+#![no_core]\n+\n+struct B<const M: u32> {}\n+\n+impl<const M: u32> B<M> {\n+ const M: u32 = M;\n+}\n+\n+struct C;\n+\n+impl<const M: u32> C { // { dg-error \"unconstrained type parameter\" }\n+ const USE_M: u32 = M;\n+}\n\\ No newline at end of file\n", "prefixes": [ "COMMITTED", "43/43" ] }