From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2136) id 8C12E3857809; Mon, 25 Jul 2022 15:31:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8C12E3857809 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Aldy Hernandez To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-1825] [PR middle-end/106432] Gracefully handle unsupported type in range_on_edge X-Act-Checkin: gcc X-Git-Author: Aldy Hernandez X-Git-Refname: refs/heads/master X-Git-Oldrev: 4c6567b4090d9363f90b5c68e238e7d0964b6e89 X-Git-Newrev: ca1e4b26c19351077db1d8e6ff1cb97f05bca79f Message-Id: <20220725153145.8C12E3857809@sourceware.org> Date: Mon, 25 Jul 2022 15:31:45 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2022 15:31:45 -0000 https://gcc.gnu.org/g:ca1e4b26c19351077db1d8e6ff1cb97f05bca79f commit r13-1825-gca1e4b26c19351077db1d8e6ff1cb97f05bca79f Author: Aldy Hernandez Date: Mon Jul 25 15:58:04 2022 +0200 [PR middle-end/106432] Gracefully handle unsupported type in range_on_edge A cleaner approach to fix this PR has been suggested by Andrew, which is to just return false on range_on_edge for unsupported range types. Tested on x86-64 Linux. PR middle-end/106432 gcc/ChangeLog: * gimple-range.cc (gimple_ranger::range_on_edge): Return false when the result range type is unsupported. Diff: --- gcc/gimple-range.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gcc/gimple-range.cc b/gcc/gimple-range.cc index 7ac48303e4e..eb347eee45b 100644 --- a/gcc/gimple-range.cc +++ b/gcc/gimple-range.cc @@ -201,7 +201,9 @@ bool gimple_ranger::range_on_edge (vrange &r, edge e, tree name) { Value_Range edge_range (TREE_TYPE (name)); - gcc_checking_assert (r.supports_type_p (TREE_TYPE (name))); + + if (!r.supports_type_p (TREE_TYPE (name))) + return false; // Do not process values along abnormal edges. if (e->flags & EDGE_ABNORMAL)