[Bug 939] [dpdk 22.03-rc2] drivers/net/cnxk/cnxk_ethdev_mtr meson build failed with cflag parm optimization=1 on Ubuntu20.04 with GCC10.3

[bugzilla@dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=939

jiang,yu (yux.jiang@intel.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
     Ever confirmed|1                           |0
             Status|RESOLVED                    |UNCONFIRMED

--- Comment #4 from jiang,yu (yux.jiang@intel.com) ---
This commit id will introduce new err info, please help to check, thanks

OS: Ubuntu20.04/5.8.0-48-generic
Compiler: gcc (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0

Error info: 
[2302/3456] Compiling C object
drivers/libtmp_rte_raw_ifpga.a.p/raw_ifpga_ifpga_rawdev.c.o
FAILED: drivers/libtmp_rte_raw_ifpga.a.p/raw_ifpga_ifpga_rawdev.c.o
gcc -Idrivers/libtmp_rte_raw_ifpga.a.p -Idrivers -I../drivers
-Idrivers/raw/ifpga -I../drivers/raw/ifpga -Idrivers/raw/ifpga/base
-I../drivers/raw/ifpga/base -Idrivers/net/ipn3ke -I../drivers/net/ipn3ke
-Idrivers/net/i40e -I../drivers/net/i40e -Ilib/rawdev -I../lib/rawdev -I. -I..
-Iconfig -I../config -Ilib/eal/include -I../lib/eal/include
-Ilib/eal/linux/include -I../lib/eal/linux/include -Ilib/eal/x86/include
-I../lib/eal/x86/include -Ilib/eal/common -I../lib/eal/common -Ilib/eal
-I../lib/eal -Ilib/kvargs -I../lib/kvargs -Ilib/metrics -I../lib/metrics
-Ilib/telemetry -I../lib/telemetry -Ilib/ethdev -I../lib/ethdev -Ilib/net
-I../lib/net -Ilib/mbuf -I../lib/mbuf -Ilib/mempool -I../lib/mempool -Ilib/ring
-I../lib/ring -Ilib/meter -I../lib/meter -Ilib/pci -I../lib/pci
-Idrivers/bus/pci -I../drivers/bus/pci -I../drivers/bus/pci/linux
-Idrivers/bus/vdev -I../drivers/bus/vdev -Idrivers/bus/ifpga
-I../drivers/bus/ifpga -Idrivers/net/i40e/base -I../drivers/net/i40e/base
-Ilib/hash -I../lib/hash -Ilib/rcu -I../lib/rcu -Ilib/sched -I../lib/sched
-fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch
-Wextra -Werror -O1 -include rte_config.h -Wcast-qual -Wdeprecated -Wformat
-Wformat-nonliteral -Wformat-security -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpointer-arith
-Wsign-compare -Wstrict-prototypes -Wundef -Wwrite-strings
-Wno-address-of-packed-member -Wno-packed-not-aligned
-Wno-missing-field-initializers -Wno-zero-length-bounds -D_GNU_SOURCE -fPIC
-march=native -DALLOW_EXPERIMENTAL_API -DALLOW_INTERNAL_API
-Wno-format-truncation -DRTE_LOG_DEFAULT_LOGTYPE=pmd.raw.ifpga -MD -MQ
drivers/libtmp_rte_raw_ifpga.a.p/raw_ifpga_ifpga_rawdev.c.o -MF
drivers/libtmp_rte_raw_ifpga.a.p/raw_ifpga_ifpga_rawdev.c.o.d -o
drivers/libtmp_rte_raw_ifpga.a.p/raw_ifpga_ifpga_rawdev.c.o -c
../drivers/raw/ifpga/ifpga_rawdev.c
../drivers/raw/ifpga/ifpga_rawdev.c: In function ‘ifpga_rawdev_fill_info’:
../drivers/raw/ifpga/ifpga_rawdev.c:314:8: error: ‘vendor_id’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
  314 |     if (vendor_id == 0x8086 &&
      |        ^
../drivers/raw/ifpga/ifpga_rawdev.c:316:23: error: ‘dev_id’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
  315 |      (dev_id == 0x0CF8 ||
      |      ~~~~~~~~~~~~~~~~~~~~
  316 |      dev_id == 0x0D58 ||
      |      ~~~~~~~~~~~~~~~~~^~
  317 |      dev_id == 0x1580)) {
      |      ~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors [2311/3456] Compiling C object
drivers/libtmp_rte_raw_ntb.a.p/raw_ntb_ntb.c.o
ninja: build stopped: subcommand failed.

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