From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8D711385E037; Wed, 11 May 2022 11:50:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8D711385E037 From: "rudi at heitbaum dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/105523] Wrong warning array subscript [0] is outside array bounds Date: Wed, 11 May 2022 11:50:51 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: rudi at heitbaum dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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: Wed, 11 May 2022 11:50:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105523 rudi at heitbaum dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rudi at heitbaum dot com --- Comment #5 from rudi at heitbaum dot com --- Compiling atf with gcc-12.1.0 for the NXP iMX8 target results in the same error. CFLAGS=3D+=E2=80=9C --param=3Dmin-pagesize=3D0=E2=80=9D allows the build to= complete. =E2=80=94=E2=80=94=E2=80=94- PROJECT=3DNXP ARCH=3Darm DEVICE=3DiMX8 s/build atf CLEAN atf * Removing /var/media/DATA/home-rudi/LibreELEC.kernel11/build.LibreELEC-iMX8.arm-11.0-= devel/build/atf-2.4 ... * Removing /var/media/DATA/home-rudi/LibreELEC.kernel11/build.LibreELEC-iMX8.arm-11.0-= devel/install_pkg/atf-2.4 ... UNPACK atf BUILD atf (target) TOOLCHAIN manual CC bl31/bl31_context_mgmt.c CC bl31/bl31_main.c CC bl31/interrupt_mgmt.c CC common/runtime_svc.c CC drivers/arm/gic/v3/arm_gicv3_common.c CC drivers/arm/gic/v3/gic-x00.c CC drivers/arm/gic/v3/gicdv3_helpers.c CC drivers/arm/gic/v3/gicrv3_helpers.c CC drivers/arm/gic/v3/gicv3_helpers.c CC drivers/arm/gic/v3/gicv3_main.c CC drivers/arm/tzc/tzc380.c CC drivers/delay_timer/delay_timer.c CC drivers/delay_timer/generic_delay_timer.c CC lib/cpus/errata_report.c CC lib/el3_runtime/aarch64/context_mgmt.c CC lib/el3_runtime/cpu_data_array.c CC lib/extensions/spe/spe.c CC lib/extensions/sve/sve.c CC lib/locks/bakery/bakery_lock_coherent.c CC lib/psci/psci_common.c CC lib/psci/psci_main.c CC lib/psci/psci_mem_protect.c CC lib/psci/psci_off.c CC lib/psci/psci_on.c CC lib/psci/psci_setup.c CC lib/psci/psci_suspend.c CC lib/psci/psci_system_off.c CC lib/xlat_tables/aarch64/xlat_tables.c CC lib/xlat_tables/xlat_tables_common.c CC plat/common/plat_gicv3.c CC plat/common/plat_psci_common.c CC plat/imx/common/imx8_topology.c CC plat/imx/common/imx_sip_handler.c CC plat/imx/common/imx_sip_svc.c CC plat/imx/common/plat_imx8_gic.c CC plat/imx/imx8m/gpc_common.c CC plat/imx/imx8m/imx8m_caam.c CC plat/imx/imx8m/imx8m_psci_common.c CC plat/imx/imx8m/imx8mq/gpc.c CC plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c CC plat/imx/imx8m/imx8mq/imx8mq_psci.c CC plat/imx/imx8m/imx_aipstz.c CC services/arm_arch_svc/arm_arch_svc_setup.c CC services/std_svc/std_svc_setup.c CC common/bl_common.c CC common/tf_log.c CC drivers/console/multi_console.c CC plat/common/plat_bl_common.c CC plat/common/plat_log_common.c CC plat/common/aarch64/plat_common.c CC lib/compiler-rt/builtins/popcountdi2.c CC lib/compiler-rt/builtins/popcountsi2.c AS bl31/aarch64/bl31_entrypoint.S AS bl31/aarch64/crash_reporting.S AS bl31/aarch64/ea_delegate.S AS bl31/aarch64/runtime_exceptions.S AS lib/cpus/aarch64/cortex_a53.S AS lib/cpus/aarch64/cpu_helpers.S AS lib/cpus/aarch64/dsu_helpers.S AS lib/cpus/aarch64/wa_cve_2017_5715_bpiall.S AS lib/cpus/aarch64/wa_cve_2017_5715_mmu.S AS lib/el3_runtime/aarch64/context.S AS lib/el3_runtime/aarch64/cpu_data.S AS lib/locks/exclusive/aarch64/spinlock.S AS lib/psci/aarch64/psci_helpers.S AS plat/common/aarch64/platform_mp_stack.S AS plat/imx/common/imx8_helpers.S AS plat/imx/common/imx_uart_console.S AS common/aarch64/debug.S AS lib/aarch64/cache_helpers.S AS lib/aarch64/misc_helpers.S AS plat/common/aarch64/platform_helpers.S PP bl31/bl31.ld.S CC lib/libc/abort.c CC lib/libc/assert.c CC lib/libc/exit.c CC lib/libc/memchr.c CC lib/libc/memcmp.c CC lib/libc/memcpy.c CC lib/libc/memmove.c CC lib/libc/memrchr.c CC lib/libc/memset.c CC lib/libc/printf.c CC lib/libc/putchar.c CC lib/libc/puts.c CC lib/libc/snprintf.c CC lib/libc/strchr.c In file included from plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c:20: In function 'mmio_read_8', inlined from 'imx8mq_soc_info_init' at plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c:68:16, inlined from 'bl31_platform_setup' at plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c:193:2: include/lib/mmio.h:19:16: error: array subscript 0 is outside array bounds = of 'volatile uint8_t[0]' {aka 'volatile unsigned char[]'} [-Werror=3Darray-bou= nds] 19 | return *(volatile uint8_t*)addr; | ^~~~~~~~~~~~~~~~~~~~~~~~ In function 'mmio_read_8', inlined from 'imx8mq_soc_info_init' at plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c:72:16, inlined from 'bl31_platform_setup' at plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c:193:2: include/lib/mmio.h:19:16: error: array subscript 0 is outside array bounds = of 'volatile uint8_t[0]' {aka 'volatile unsigned char[]'} [-Werror=3Darray-bou= nds] 19 | return *(volatile uint8_t*)addr; | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors =E2=80=94=E2=80=94=E2=80=94=E2=80=94=