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Date: Tue, 18 Apr 2023 18:40:07 +0200 Message-Id: <20230418164007.341221-1-aldyh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-11.3 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Aldy Hernandez via Gcc-patches From: Aldy Hernandez Reply-To: Aldy Hernandez Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763532936330473403?= X-GMAIL-MSGID: =?utf-8?q?1763532936330473403?= I will push this when a final round of testing finishes on x86-64 Linux. gcc/ChangeLog: * value-range.h (Value_Range::Value_Range): Avoid pointer sharing. --- gcc/value-range.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/value-range.h b/gcc/value-range.h index 0eeea79b322..f97596cdd14 100644 --- a/gcc/value-range.h +++ b/gcc/value-range.h @@ -583,7 +583,18 @@ Value_Range::Value_Range (tree min, tree max, value_range_kind kind) inline Value_Range::Value_Range (const Value_Range &r) { - m_vrange = r.m_vrange; + if (r.m_vrange == &r.m_irange) + { + m_irange = r.m_irange; + m_vrange = &m_irange; + } + else if (r.m_vrange == &r.m_frange) + { + m_frange = r.m_frange; + m_vrange = &m_frange; + } + else + m_vrange = &m_unsupported; } // Initialize object so it is possible to store temporaries of TYPE