From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3205A3858D29; Tue, 12 Jan 2021 11:46:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3205A3858D29 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/98638] New: ICE: Segmentation fault (in lookup_page_table_entry) Date: Tue, 12 Jan 2021 11:46:37 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: GC, ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone cf_gcctarget attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 11:46:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98638 Bug ID: 98638 Summary: ICE: Segmentation fault (in lookup_page_table_entry) Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: GC, ice-on-valid-code Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: powerpc-*-linux-gnu Created attachment 49950 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49950&action=3Dedit Testcase gfortran-11.0.0-alpha20210110 snapshot (g:872373360dab259d51caa002ff1722ff84746d8b) ICEs when compiling the attach= ed testcase, only mildly reduced from test/f90_correct/src/oop324.f90 from the flang test suite, w/ -mcpu=3D860 -O2 -fexceptions -fnon-call-exceptions -fo= penacc -fpredictive-commoning --param integer-share-limit=3D20000: % powerpc-e300c3-linux-gnu-gfortran-11.0.0 -mcpu=3D860 -O2 -fexceptions -fnon-call-exceptions -fopenacc -fpredictive-commoning --param integer-share-limit=3D20000 -c qvft2ssg.f90 qvft2ssg.f90:18:20: 18 | end module shape_mod | ^ internal compiler error: Segmentation fault 0xe8d916 crash_signal =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/gcc-11-20210110/gcc/toplev.c:327 0x97e833 lookup_page_table_entry =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/gcc-11-20210110/gcc/ggc-page.c:630 0x97e833 ggc_set_mark(void const*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/gcc-11-20210110/gcc/ggc-page.c:1544 0xbf92c1 gt_ggc_mx_basic_block_def(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1517 0xbfb707 gt_ggc_mx_gimple(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1287 0x8cd40f gt_ggc_mx_lang_tree_node(void*) ./gt-fortran-f95-lang.h:403 0x8cd4b0 gt_ggc_mx_lang_tree_node(void*) ./gt-fortran-f95-lang.h:394 0x8cd4b0 gt_ggc_mx_lang_tree_node(void*) ./gt-fortran-f95-lang.h:394 0x8ccfa9 gt_ggc_mx_lang_decl(void*) ./gtype-fortran.h:72 0x8ccfa9 gt_ggc_mx_lang_decl(void*) ./gtype-fortran.h:67 0x8cd3ab gt_ggc_mx_lang_tree_node(void*) ./gt-fortran-f95-lang.h:177 0x8cd39d gt_ggc_mx_lang_tree_node(void*) ./gt-fortran-f95-lang.h:176 0xbfb9ae gt_ggc_mx_gimple(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1268 0xbf9379 gt_ggc_mx_basic_block_def(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1537 0xbfb707 gt_ggc_mx_gimple(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1287 0xbfe261 gt_ggc_mx_cgraph_edge(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1403 0xbfe253 gt_ggc_mx_cgraph_edge(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1402 0xbfe253 gt_ggc_mx_cgraph_edge(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1402 0xbfe253 gt_ggc_mx_cgraph_edge(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1402 0xbfdfee gt_ggc_mx_symtab_node(void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20210110/wo= rk/build/gcc/gtype-desc.c:1349=