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GET /api/1.1/patches/2223306/?format=api
{ "id": 2223306, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223306/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260414231905.191063-40-arthur.cohen@embecosm.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260414231905.191063-40-arthur.cohen@embecosm.com>", "date": "2026-04-14T23:19:01", "name": "[COMMITTED,40/43] gccrs: Fix ICE in unused var when we hit unit const type", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f5c4467097f6b37fddfb4f08dc26245a94237d6f", "submitter": { "id": 83476, "url": "http://patchwork.ozlabs.org/api/1.1/people/83476/?format=api", "name": "Arthur Cohen", "email": "arthur.cohen@embecosm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260414231905.191063-40-arthur.cohen@embecosm.com/mbox/", "series": [ { "id": 499900, "url": "http://patchwork.ozlabs.org/api/1.1/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/2223306/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223306/checks/", "tags": {}, "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 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/X3O4JPk/SCTbXLfh0JA/EHu6kDGBfeQoE/s7dyHp14bcNC1lY9+lbmVfcRX0nYxMj31TZ1bl8G\n sexOtwusVV+dcRT0minYired5K033xGFcCGQBjdVYuyEjxL0J4aCUFGDO4Q7XWn6WwT6+6IosbW\n Sf1K7gr6dXiDk38YzeScZEMnntWhJidmDhyDdXwPZ3ChXDREC57jM3HN0qQMhDq1iQEBUPC3HYx\n BIyXTxi3ABWJYZu", "X-Received": "by 2002:a05:600c:a306:b0:480:20f1:7aa6 with SMTP id\n 5b1f17b1804b1-488d68607e8mr187230005e9.21.1776208513306;\n Tue, 14 Apr 2026 16:15:13 -0700 (PDT)", "From": "arthur.cohen@embecosm.com", "To": "gcc-patches@gcc.gnu.org", "Cc": "gcc-rust@gcc.gnu.org,\n\tIslam-Imad <islamimad404@gmail.com>", "Subject": "[COMMITTED 40/43] gccrs: Fix ICE in unused var when we hit unit const\n type", "Date": "Wed, 15 Apr 2026 01:19:01 +0200", "Message-ID": "<20260414231905.191063-40-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: Islam-Imad <islamimad404@gmail.com>\n\nthe problem is compiling if-expr doesn't set translated to unit type.\n\ngcc/rust/ChangeLog:\n\n\t* backend/rust-compile-expr.cc (CompileExpr::visit): set unit type.\n\ngcc/testsuite/ChangeLog:\n\n\t* rust/compile/issue-4517.rs: New test.\n\nSigned-off-by: Islam-Imad <islamimad404@gmail.com>\n---\n gcc/rust/backend/rust-compile-expr.cc | 8 +++++---\n gcc/testsuite/rust/compile/issue-4517.rs | 5 +++++\n 2 files changed, 10 insertions(+), 3 deletions(-)\n create mode 100644 gcc/testsuite/rust/compile/issue-4517.rs", "diff": "diff --git a/gcc/rust/backend/rust-compile-expr.cc b/gcc/rust/backend/rust-compile-expr.cc\nindex 40bd2829f65..55b3534a1be 100644\n--- a/gcc/rust/backend/rust-compile-expr.cc\n+++ b/gcc/rust/backend/rust-compile-expr.cc\n@@ -360,6 +360,7 @@ CompileExpr::visit (HIR::IfExpr &expr)\n {\n auto stmt = CompileConditionalBlocks::compile (&expr, ctx, nullptr);\n ctx->add_statement (stmt);\n+ translated = unit_expression (expr.get_locus ());\n }\n \n void\n@@ -367,9 +368,7 @@ CompileExpr::visit (HIR::InlineAsm &expr)\n {\n CompileAsm asm_codegen (ctx);\n ctx->add_statement (asm_codegen.tree_codegen_asm (expr));\n- // translated = build_asm_expr (0, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE,\n- //\t\t NULL_TREE, true, true);\n- // CompileAsm::asm_build_expr (expr);\n+ translated = unit_expression (expr.get_locus ());\n }\n \n void\n@@ -377,6 +376,7 @@ CompileExpr::visit (HIR::LlvmInlineAsm &expr)\n {\n CompileLlvmAsm asm_codegen (ctx);\n ctx->add_statement (asm_codegen.tree_codegen_asm (expr));\n+ translated = unit_expression (expr.get_locus ());\n }\n \n void\n@@ -848,6 +848,7 @@ CompileExpr::visit (HIR::WhileLoopExpr &expr)\n \n tree loop_expr = Backend::loop_expression (loop_block, expr.get_locus ());\n ctx->add_statement (loop_expr);\n+ translated = unit_expression (expr.get_locus ());\n }\n \n void\n@@ -1099,6 +1100,7 @@ CompileExpr::visit (HIR::AssignmentExpr &expr)\n = Backend::assignment_statement (lvalue, rvalue, expr.get_locus ());\n \n ctx->add_statement (assignment);\n+ translated = unit_expression (expr.get_locus ());\n }\n \n // Helper for CompileExpr::visit (HIR::MatchExpr).\ndiff --git a/gcc/testsuite/rust/compile/issue-4517.rs b/gcc/testsuite/rust/compile/issue-4517.rs\nnew file mode 100644\nindex 00000000000..9db4082a191\n--- /dev/null\n+++ b/gcc/testsuite/rust/compile/issue-4517.rs\n@@ -0,0 +1,5 @@\n+#![feature(no_core)]\n+#![no_core]\n+\n+const _: () = if true {};\n+const x: () = if true {}; // { dg-warning \"unused name\" \"\" { target *-*-* } }\n", "prefixes": [ "COMMITTED", "40/43" ] }