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{ "id": 2218248, "url": "http://patchwork.ozlabs.org/api/patches/2218248/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/d0ff3c05-a731-46fe-b779-bba035a7cef4@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": "<d0ff3c05-a731-46fe-b779-bba035a7cef4@gmail.com>", "list_archive_url": null, "date": "2026-03-31T19:28:49", "name": "[fortran] Fix Bug 100194 - [13/14/15/16 Regression] ICE in gfc_trans_create_temp_array...", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2425dd493dd981c7c0534145538745afa5ac0d42", "submitter": { "id": 78264, "url": "http://patchwork.ozlabs.org/api/people/78264/?format=api", "name": "Jerry D", "email": "jvdelisle2@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/d0ff3c05-a731-46fe-b779-bba035a7cef4@gmail.com/mbox/", "series": [ { "id": 498242, "url": "http://patchwork.ozlabs.org/api/series/498242/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=498242", "date": "2026-03-31T19:28:49", "name": "[fortran] Fix Bug 100194 - [13/14/15/16 Regression] ICE in gfc_trans_create_temp_array...", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498242/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218248/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218248/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=hxM+qVw1;\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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boundary=\"------------nEpltNrQmZYlDR8NTIieNGC9\"", "Message-ID": "<d0ff3c05-a731-46fe-b779-bba035a7cef4@gmail.com>", "Date": "Tue, 31 Mar 2026 12:28:49 -0700", "MIME-Version": "1.0", "User-Agent": "Mozilla Thunderbird", "Content-Language": "en-US", "To": "gfortran <fortran@gcc.gnu.org>, gcc-patches <gcc-patches@gcc.gnu.org>", "Cc": "Christopher Albert <albert@tugraz.at>", "From": "Jerry D <jvdelisle2@gmail.com>", "Subject": "[patch, fortran] Fix Bug 100194 - [13/14/15/16 Regression] ICE in\n gfc_trans_create_temp_array...", "Autocrypt": "addr=jvdelisle2@gmail.com; keydata=\n xjMEY5TlkxYJKwYBBAHaRw8BAQdAyrkRDhmJhSTTlV/50gJLlvliU6/Lm5C9ViKV8T9y1GnN\n HkplcnJ5IEQgPGp2ZGVsaXNsZTJAZ21haWwuY29tPsKJBBMWCAAxFiEEOFR0TS0390uh8dRV\n uWXAJaWpwWoFAmOU5ZMCGwMECwkIBwUVCAkKCwUWAgMBAAAKCRC5ZcAlpanBalsJAP4wdCiH\n 2Of9oZv1QWgZ/AVdbWFM3Fv47/WZQHOXfoZ9HgD6AkXrKeJ+6usST7PEaDJjptaViT1fLiYY\n V/6XaOKSsgLOOARjlOWTEgorBgEEAZdVAQUBAQdAdA7PczYnl07vnOT9oP/wvvMDd4HP09Zl\n g3LzwXQJWT8DAQgHwngEGBYIACAWIQQ4VHRNLTf3S6Hx1FW5ZcAlpanBagUCY5TlkwIbDAAK\n CRC5ZcAlpanBasF/AQCa5WjlsVpLsEiggZyT18MOJNAdeRd7wkGDUrwedHrvawD/cE1H+/Ms\n L1ZwvQiLfGdx8crigQqWTQyos4kH8Wx82wc=", "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": "The attached patch from Christopher.\n\nI adjusted the commit log a little bit and added the two previously provided \ntest cases from the PR, z2 and z3, which passed without the patch and still do.\n\nThe patch itself is is simple.\n\nRegression tested on x86_64-linux.\n\nI plane to commit this later today.\n\nRegards,\n\nJerry\n\n----\n\ncommit 9d0f9b8f1a11a2e08786278e05ee5cbb77f5b7ff (HEAD -> master)\nAuthor: Christopher Albert <albert@tugraz.at>\nDate: Tue Mar 31 08:26:57 2026 +0200\n\n fortran: Fix ICE in gfc_trans_create_temp_array for assumed-rank [PR100194]\n\n When a non-contiguous assumed-rank actual argument is passed to a\n contiguous assumed-rank dummy, the compiler routes it through\n gfc_conv_subref_array_arg which uses the scalarizer. The scalarizer\n requires known rank at compile time, but assumed-rank arrays have\n rank = -1, hitting gcc_assert (ss->dimen > 0).\n\n Skip the scalarizer path for assumed-rank expressions and let them\n fall through to gfc_conv_array_parameter, which handles assumed-rank\n via the runtime pack/unpack functions.\n\n gcc/fortran/ChangeLog:\n\n PR fortran/100194\n * trans-expr.cc (gfc_conv_procedure_call): Skip\n gfc_conv_subref_array_arg for assumed-rank actual arguments\n (e->rank == -1) when the dummy is contiguous.\n\n gcc/testsuite/ChangeLog:\n\n PR fortran/100194\n * gfortran.dg/pr100194.f90: New test.\n\n Signed-off-by: Christopher Albert <albert@tugraz.at>", "diff": "From c172bc575078ff74196655acf5e84f9f760b5073 Mon Sep 17 00:00:00 2001\nFrom: Christopher Albert <albert@tugraz.at>\nDate: Tue, 31 Mar 2026 08:26:57 +0200\nSubject: [PATCH] fortran: Fix ICE in gfc_trans_create_temp_array for\n assumed-rank [PR100194]\n\nWhen a non-contiguous assumed-rank actual argument is passed to a\ncontiguous assumed-rank dummy, the compiler routes it through\ngfc_conv_subref_array_arg which uses the scalarizer. The scalarizer\nrequires known rank at compile time, but assumed-rank arrays have\nrank = -1, hitting gcc_assert (ss->dimen > 0).\n\nSkip the scalarizer path for assumed-rank expressions and let them\nfall through to gfc_conv_array_parameter, which handles assumed-rank\nvia the runtime pack/unpack functions.\n\ngcc/fortran/ChangeLog:\n\n\tPR fortran/100194\n\t* trans-expr.cc (gfc_conv_procedure_call): Skip\n\tgfc_conv_subref_array_arg for assumed-rank actual arguments\n\t(e->rank == -1) when the dummy is contiguous.\n\ngcc/testsuite/ChangeLog:\n\n\tPR fortran/100194\n\t* gfortran.dg/pr100194.f90: New test.\n\nSigned-off-by: Christopher Albert <albert@tugraz.at>\n---\n gcc/fortran/trans-expr.cc | 3 +-\n gcc/testsuite/gfortran.dg/pr100194.f90 | 40 ++++++++++++++++++++++++++\n 2 files changed, 42 insertions(+), 1 deletion(-)\n create mode 100644 gcc/testsuite/gfortran.dg/pr100194.f90\n\ndiff --git a/gcc/fortran/trans-expr.cc b/gcc/fortran/trans-expr.cc\nindex d5254be007d..52918961584 100644\n--- a/gcc/fortran/trans-expr.cc\n+++ b/gcc/fortran/trans-expr.cc\n@@ -7956,7 +7956,8 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,\n \t\t && (fsym->attr.target\n \t\t\t ? gfc_is_not_contiguous (e)\n \t\t\t : !gfc_is_simply_contiguous (e, false, true))\n-\t\t && gfc_expr_is_variable (e))\n+\t\t && gfc_expr_is_variable (e)\n+\t\t && e->rank != -1)\n \t\t{\n \t\t gfc_conv_subref_array_arg (&parmse, e, nodesc_arg,\n \t\t\t\t\t fsym->attr.intent,\ndiff --git a/gcc/testsuite/gfortran.dg/pr100194.f90 b/gcc/testsuite/gfortran.dg/pr100194.f90\nnew file mode 100644\nindex 00000000000..a8066e1a1bb\n--- /dev/null\n+++ b/gcc/testsuite/gfortran.dg/pr100194.f90\n@@ -0,0 +1,40 @@\n+! { dg-do compile }\n+!\n+! PR fortran/100194\n+! ICE in gfc_trans_create_temp_array when passing a non-contiguous\n+! assumed-rank array to a contiguous assumed-rank dummy argument.\n+!\n+! Contributed by Martin Diehl <m.diehl@kit.edu>\n+\n+subroutine s(x)\n+ real :: x(..)\n+ call t(x)\n+contains\n+ subroutine t(y)\n+ real, contiguous :: y(..)\n+ end\n+end\n+\n+! The following from the PR, these compiled OK before the patch.\n+!\n+! Contributed by G. Steinmetz <gscfq@t-online.de>\n+\n+subroutine z3(x)\n+ real, contiguous :: x(..)\n+ call t(x)\n+contains\n+ subroutine t(y)\n+ real, contiguous :: y(..)\n+ end\n+end\n+\n+subroutine z2(x)\n+ real, contiguous :: x(..)\n+ call t(x)\n+contains\n+ subroutine t(y)\n+ real :: y(..)\n+ end\n+end\n+\n+\n-- \n2.53.0\n\n", "prefixes": [ "fortran" ] }