Add gcc-12 to CI

Author: j-stephan

.github/workflows/ci.yml

@@ -20,15 +20,15 @@ concurrency:
 # NOTE: Testing the full matrix is not practical.
 # Therefore we aim to have each value been set in at lest one job.
 # CXX                                           : {g++, clang++}
-#   [g++] ALPAKA_CI_GCC_VER                     : {7, 8, 9, 10, 11}
+#   [g++] ALPAKA_CI_GCC_VER                     : {7, 8, 9, 10, 11, 12}
 #   [clang++] ALPAKA_CI_CLANG_VER               : {6.0, 7, 8, 9, 10, 11, 12}
 #   [cl.exe] ALPAKA_CI_CL_VER                   : {2019, 2022}
 #   ALPAKA_CI_STDLIB                            : {libstdc++, [CXX==clang++]:libc++}
 # CMAKE_BUILD_TYPE                              : {Debug, Release}
 # alpaka_CI                                     : {GITHUB}
 # ALPAKA_CI_DOCKER_BASE_IMAGE_NAME              : {ubuntu:18.04, ubuntu:20.04, ubuntu:22.04}
 # ALPAKA_CI_BOOST_BRANCH                        : {boost-1.74.0, boost-1.75.0, boost-1.76.0, boost-1.77.0, boost-1.78.0, boost-1.79.0}
-# ALPAKA_CI_CMAKE_VER                           : {3.18.6, 3.19.8, 3.20.6, 3.21.6, 3.22.3}
+# ALPAKA_CI_CMAKE_VER                           : {3.18.6, 3.19.8, 3.20.6, 3.21.6, 3.22.3, 3.23.2}
 # ALPAKA_CI_XCODE_VER                           : {13.2.1, 13.4.1}
 # ALPAKA_CI_SANITIZERS                          : {ASan, UBsan, TSan}
 #    TSan is not currently used because it produces many unexpected errors
@@ -115,6 +115,9 @@ jobs:
         - name: macos_xcode-13.4.1_debug_analysis
           os: macos-12
           env: {CXX: clang++, CC: clang,  ALPAKA_CI_XCODE_VER: 13.4.1,                              CMAKE_BUILD_TYPE: Debug,   ALPAKA_CI_BOOST_BRANCH: boost-1.74.0,                                                  ALPAKA_CI_ANALYSIS: ON, alpaka_DEBUG: 2,                                                                                                                                                  alpaka_ACC_CPU_B_SEQ_T_FIBERS_ENABLE: OFF, alpaka_ACC_CPU_B_OMP2_T_SEQ_ENABLE: ON, alpaka_ACC_CPU_B_SEQ_T_OMP2_ENABLE: ON, ALPAKA_CI_BUILD_JOBS: 3}
+        - name: linux_gcc-12_debug_analysis
+          os: ubuntu-22.04
+          env: {CXX: g++,     CC: gcc,    ALPAKA_CI_GCC_VER: 12,       ALPAKA_CI_STDLIB: libstdc++, CMAKE_BUILD_TYPE: Debug,   ALPAKA_CI_BOOST_BRANCH: boost-1.79.0, ALPAKA_CI_CMAKE_VER: 3.23.1, OMP_NUM_THREADS: 4, ALPAKA_CI_DOCKER_BASE_IMAGE_NAME: "ubuntu:22.04", ALPAKA_CI_ANALYSIS: ON, alpaka_DEBUG: 2}
 
         ### macOS
         - name: macos_xcode-13.2.1_debug
@@ -213,6 +216,12 @@ jobs:
         - name: linux_gcc-11_debug_omp5
           os: ubuntu-latest
           env: {CXX: g++,     CC: gcc,    ALPAKA_CI_GCC_VER: 11,       ALPAKA_CI_STDLIB: libstdc++, CMAKE_BUILD_TYPE: Debug,   ALPAKA_CI_BOOST_BRANCH: boost-1.74.0, ALPAKA_CI_CMAKE_VER: 3.18.6, OMP_NUM_THREADS: 4, ALPAKA_CI_DOCKER_BASE_IMAGE_NAME: "ubuntu:20.04", alpaka_DEBUG: 2, alpaka_ACC_ANY_BT_OMP5_ENABLE: ON, CMAKE_CXX_FLAGS: "-foffload=disable", OMP_TARGET_OFFLOAD: "DISABLED", alpaka_OFFLOAD_MAX_BLOCK_SIZE: 2, alpaka_CHECK_HEADERS: ON}
+        - name: linux_gcc-12_release_c++20
+          os: ubuntu-22.04
+          env: {CXX: g++,     CC: gcc,    ALPAKA_CI_GCC_VER: 12,       ALPAKA_CI_STDLIB: libstdc++, CMAKE_BUILD_TYPE: Release, ALPAKA_CI_BOOST_BRANCH: boost-1.79.0, ALPAKA_CI_CMAKE_VER: 3.23.1, OMP_NUM_THREADS: 2, ALPAKA_CI_DOCKER_BASE_IMAGE_NAME: "ubuntu:22.04", alpaka_ACC_CPU_B_SEQ_T_FIBERS_ENABLE: OFF, alpaka_CXX_STANDARD: 20}
+        - name: linux_gcc-12_debug_omp5
+          os: ubuntu-22.04
+          env: {CXX: g++,     CC: gcc,    ALPAKA_CI_GCC_VER: 12,       ALPAKA_CI_STDLIB: libstdc++, CMAKE_BUILD_TYPE: Debug,   ALPAKA_CI_BOOST_BRANCH: boost-1.74.0, ALPAKA_CI_CMAKE_VER: 3.18.6, OMP_NUM_THREADS: 4, ALPAKA_CI_DOCKER_BASE_IMAGE_NAME: "ubuntu:22.04", alpaka_DEBUG: 2, alpaka_ACC_ANY_BT_OMP5_ENABLE: ON, CMAKE_CXX_FLAGS: "-foffload=disable", OMP_TARGET_OFFLOAD: "DISABLED", alpaka_OFFLOAD_MAX_BLOCK_SIZE: 2, alpaka_CHECK_HEADERS: ON}
 
         # clang++
         - name: linux_clang-6_release_asan_c++17