From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1643) id 24E4A3858D39; Wed, 31 Aug 2022 13:57:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 24E4A3858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1661954262; bh=tSSyv9Aas1SzZqNEYaAbtnsxqTgCMAsDMFCKBKN0W6k=; h=From:To:Subject:Date:From; b=qNfYhZqGa9VDec9bikxuO0TVXGsWK1npdzwGigODZWaG8m9sSQIW+xfk5ATIgT3Ar FoqbVzFj/CtrE1x+la1CYSBMDLWb5AeHP70vRcPRPQRyzkvbr4Lcu8yZ1qxUhk4GJS AZlDpgg9LTroZzxx+RtKhcAFx0jbDNl4ZwZ0pqOQ= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Thomas Schwinge To: gcc-cvs@gcc.gnu.org Subject: [gcc/devel/rust/master] Add guards against getting data from an empty vector X-Act-Checkin: gcc X-Git-Author: Philip Herron X-Git-Refname: refs/heads/devel/rust/master X-Git-Oldrev: ebb127f2aed32f21a37b31e8a5330defc6bfe5e7 X-Git-Newrev: 5175404928bc5081506d0eb4cab193e8689f879b Message-Id: <20220831135742.24E4A3858D39@sourceware.org> Date: Wed, 31 Aug 2022 13:57:42 +0000 (GMT) List-Id: https://gcc.gnu.org/g:5175404928bc5081506d0eb4cab193e8689f879b commit 5175404928bc5081506d0eb4cab193e8689f879b Author: Philip Herron Date: Fri Aug 26 20:52:35 2022 +0100 Add guards against getting data from an empty vector Diff: --- gcc/rust/typecheck/rust-tyctx.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/rust/typecheck/rust-tyctx.cc b/gcc/rust/typecheck/rust-tyctx.cc index d8a49e8b9ea..c46d5909c94 100644 --- a/gcc/rust/typecheck/rust-tyctx.cc +++ b/gcc/rust/typecheck/rust-tyctx.cc @@ -142,12 +142,14 @@ TypeCheckContext::push_return_type (TypeCheckContextItem item, void TypeCheckContext::pop_return_type () { + rust_assert (!return_type_stack.empty ()); return_type_stack.pop_back (); } TypeCheckContextItem & TypeCheckContext::peek_context () { + rust_assert (!return_type_stack.empty ()); return return_type_stack.back ().first; }