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From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/96931] New: [11 Regression] ICE in add_phi_arg, at tree-phinodes.c:359 Date: Fri, 04 Sep 2020 06:50:15 +0000 [thread overview] Message-ID: <bug-96931-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96931 Bug ID: 96931 Summary: [11 Regression] ICE in add_phi_arg, at tree-phinodes.c:359 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20200830 snapshot (g:6ccadc4c0486ff011a32c74de1a31148acb3cbe2) ICEs when compiling the following testcase w/ -O1 -fpredictive-commoning -fno-tree-loop-im: int bl; void p3 (void); void __attribute__ ((returns_twice)) ie (void) { p3 (); bl = 0; for (;;) ++bl; ie (); } % gcc-11.0.0 -O1 -fpredictive-commoning -fno-tree-loop-im -c d8kidanm.c during GIMPLE pass: pcom d8kidanm.c: In function 'ie': d8kidanm.c:7:1: internal compiler error: in add_phi_arg, at tree-phinodes.c:359 7 | ie (void) | ^~ 0x6b7058 add_phi_arg(gphi*, tree_node*, edge_def*, unsigned int) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-phinodes.c:359 0xe41fd0 initialize_root_vars_lm /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-predcom.c:1969 0xe41fd0 execute_load_motion /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-predcom.c:2001 0xe41fd0 execute_pred_commoning /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-predcom.c:2265 0xe45897 tree_predictive_commoning_loop /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-predcom.c:3308 0xe45897 tree_predictive_commoning() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/tree-predcom.c:3333
next reply other threads:[~2020-09-04 6:50 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-04 6:50 asolokha at gmx dot com [this message] 2020-09-04 7:49 ` [Bug tree-optimization/96931] " rguenth at gcc dot gnu.org 2020-09-04 8:26 ` rguenth at gcc dot gnu.org 2020-09-04 8:34 ` rguenth at gcc dot gnu.org 2020-09-04 10:23 ` cvs-commit at gcc dot gnu.org 2020-09-04 10:23 ` rguenth at gcc dot gnu.org
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