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GET /api/1.1/patches/2221755/?format=api
{ "id": 2221755, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2221755/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260410092829.665242-1-torbjorn.svensson@foss.st.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": "<20260410092829.665242-1-torbjorn.svensson@foss.st.com>", "date": "2026-04-10T09:23:07", "name": "[v2] config: increase stack reserve to 64MB for the toolchain on Windows [PR69639]", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "43c75292960d270f473f5652a21dba060deb1e6b", "submitter": { "id": 84848, "url": "http://patchwork.ozlabs.org/api/1.1/people/84848/?format=api", "name": "Torbjörn SVENSSON", "email": "torbjorn.svensson@foss.st.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260410092829.665242-1-torbjorn.svensson@foss.st.com/mbox/", "series": [ { "id": 499432, "url": "http://patchwork.ozlabs.org/api/1.1/series/499432/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=499432", "date": "2026-04-10T09:23:07", "name": "[v2] config: increase stack reserve to 64MB for the toolchain on Windows [PR69639]", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499432/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221755/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221755/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 unprotected) header.d=foss.st.com header.i=@foss.st.com header.a=rsa-sha256\n header.s=selector2 header.b=bSydm2Sd;\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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helo=smtpO365.st.com;", "From": "=?utf-8?q?Torbj=C3=B6rn_SVENSSON?= <torbjorn.svensson@foss.st.com>", "To": "<gcc-patches@gcc.gnu.org>, <andrew.pinski@oss.qualcomm.com>", "CC": "<jakub@redhat.com>, <rguenther@suse.de>, <10walls@gmail.com>,\n\t=?utf-8?q?Torbj=C3=B6rn_SVENSSON?= <torbjorn.svensson@foss.st.com>", "Subject": "[PATCH v2] config: increase stack reserve to 64MB for the toolchain\n on Windows [PR69639]", "Date": "Fri, 10 Apr 2026 11:23:07 +0200", "Message-ID": "<20260410092829.665242-1-torbjorn.svensson@foss.st.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<19cd9cb0-d9cd-4d63-b9fb-658a45243483@foss.st.com>", "References": "<19cd9cb0-d9cd-4d63-b9fb-658a45243483@foss.st.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-Originating-IP": "[10.74.22.122]", "X-ClientProxiedBy": "STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com\n (10.75.128.133)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "DU2PEPF00028D09:EE_|PAVPR10MB6815:EE_", "X-MS-Office365-Filtering-Correlation-Id": "3b18a94b-17b6-47cc-d6b5-08de96e38ed8", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|42112799006|376014|36860700016|1800799024|82310400026|18002099003|56012099003|22082099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:164.130.1.60; 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Ip=[164.130.1.60];\n Helo=[smtpO365.st.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n DU2PEPF00028D09.eurprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PAVPR10MB6815", "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": "Changes since v1:\n\n- Changed the stack reserve to 64MB.\n- Updated comment to state that the value is in sync with Linux (runtime).\n\n\nI got approval from Andrew Pinski for 16MB with update for comment, but since\nI change the value (there was also an extra trailing 0 in my patch), for\ncorrectness, I seek new aproval.\n\nOk for trunk and releases/gcc-15?\n\n--\n\nThis fixes fails like below on Windows.\n\nFAIL: gcc.c-torture/compile/limits-exprparen.c -O0 (test for excess errors)\n\nOn Linux, maybe also other targets, the stack limit is dynamically\nchanged when the application launches.\n\nRegtested with arm-none-eabi on Windows on top of\nr16-8253-geb50d28a9353e9.\n\nconfig/ChangeLog:\n\n\tPR target/69639\n\t* mh-cygwin: Increase to 64MB stack reserve.\n\t* mh-mingw: Likewise.\n\nSigned-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>\n---\n config/mh-cygwin | 9 +++++----\n config/mh-mingw | 9 +++++----\n 2 files changed, 10 insertions(+), 8 deletions(-)", "diff": "diff --git a/config/mh-cygwin b/config/mh-cygwin\nindex 1f746bdea84..194f70de4d5 100644\n--- a/config/mh-cygwin\n+++ b/config/mh-cygwin\n@@ -1,4 +1,5 @@\n-# Increase stack limit to a figure based on the Linux default, with 4MB added\n-# as GCC turns out to need that much more to pass all the limits-* tests.\n-LDFLAGS += -Wl,--stack,12582912\n-BOOT_LDFLAGS += -Wl,--stack,12582912\n+# Increase stack limit, to the same value that GCC tries to change to at\n+# startup on Linux, as GCC turns out to need that much more to pass all the\n+# limits-* tests.\n+LDFLAGS += -Wl,--stack,67108864\n+BOOT_LDFLAGS += -Wl,--stack,67108864\ndiff --git a/config/mh-mingw b/config/mh-mingw\nindex f5fb064813f..a225b80914d 100644\n--- a/config/mh-mingw\n+++ b/config/mh-mingw\n@@ -8,7 +8,8 @@ STAGE2_CXXFLAGS += -D__USE_MINGW_ACCESS\n STAGE3_CXXFLAGS += -D__USE_MINGW_ACCESS\n STAGE4_CXXFLAGS += -D__USE_MINGW_ACCESS\n \n-# Increase stack limit to a figure based on the Linux default, with 4MB added\n-# as GCC turns out to need that much more to pass all the limits-* tests.\n-LDFLAGS += -Wl,--stack,12582912\n-BOOT_LDFLAGS += -Wl,--stack,12582912\n+# Increase stack limit, to the same value that GCC tries to change to at\n+# startup on Linux, as GCC turns out to need that much more to pass all the\n+# limits-* tests.\n+LDFLAGS += -Wl,--stack,67108864\n+BOOT_LDFLAGS += -Wl,--stack,67108864\n", "prefixes": [ "v2" ] }