From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A0B6A3857C55; Tue, 8 Sep 2020 07:52:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A0B6A3857C55 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1599551559; bh=Dza/nPAY/PcQCkMJofHNqhRMkSTKhdfuBt2EaI1HJ/g=; h=From:To:Subject:Date:In-Reply-To:References:From; b=eRzPGN5kIRwxtVBuwNJfzTdvd19ENTUJgcPEDe5eaX0Tj14+/iSDNN7lGZeOHsefw NqpqNKHeTLVAf/q5RBb5iq6Yy0Yb/H+leIwyAyCjGGuOlFxfoQfsIR3g4O7jBU1nG7 QS/QvoIQ51IpcSD6UZ8nYEOPSVEqjg7JzlCGsU+c= From: "aldyh at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/96967] [11 Regression] ICE in decompose, at wide-int.h:984 Date: Tue, 08 Sep 2020 07:52:39 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: aldyh at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on everconfirmed Message-ID: In-Reply-To: References: 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, 08 Sep 2020 07:52:39 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96967 Aldy Hernandez changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2020-09-08 Ever confirmed|0 |1 --- Comment #1 from Aldy Hernandez --- Confirmed. This is the same issue as PR96818. It's another intersect that's missing a cast. Testing the following patch: diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index f7b0692..b493e40 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -3828,6 +3828,8 @@ find_case_label_range (gswitch *switch_stmt, const ir= ange *range_of_op) tree case_high =3D CASE_HIGH (label) ? CASE_HIGH (label) : CASE_LOW (label); int_range_max label_range (CASE_LOW (label), case_high); + if (!types_compatible_p (label_range.type (), range_of_op->type ())) + range_cast (label_range, range_of_op->type ()); label_range.intersect (range_of_op); if (label_range =3D=3D *range_of_op) return label;=