Update gcc version in CI

.circleci/build.sh

@@ -47,7 +47,7 @@ sccache --show-stats
 
 source $XLA_DIR/xla_env
 export GCLOUD_SERVICE_KEY_FILE="$XLA_DIR/default_credentials.json"
-export SILO_NAME='cache-silo-ci'  # cache bucket for CI
+export SILO_NAME='cache-silo-ci-gcc-11'  # cache bucket for CI
 build_torch_xla $XLA_DIR
 
 popd

.circleci/common.sh

@@ -92,6 +92,22 @@ function install_deps_pytorch_xla() {
 
   sudo ln -s "$(command -v bazelisk)" /usr/bin/bazel
 
+  # Install gcc-11
+  sudo apt-get update
+  # Update ppa for GCC
+  sudo apt-get install -y software-properties-common
+  sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+  sudo apt update -y
+  sudo apt install -y gcc-11
+  sudo apt install -y g++-11
+  sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100
+  sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 100
+
+  export NVCC_PREPEND_FLAGS='-ccbin /usr/bin/g++-11'
+
+  # Hack similar to https://github.com/pytorch/pytorch/pull/105227/files#diff-9e59213240d3b55d2ddc53c8c096db9eece0665d64f46473454f9dc0c10fd804
+  sudo rm /opt/conda/lib/libstdc++.so*
+
   # Symnlink the missing cuda headers if exists
   CUBLAS_PATTERN="/usr/include/cublas*"
   if ls $CUBLAS_PATTERN 1> /dev/null 2>&1; then

.circleci/test.sh

@@ -26,5 +26,5 @@ function install_torchvision() {
 install_torchvision
 
 export GCLOUD_SERVICE_KEY_FILE="$XLA_DIR/default_credentials.json"
-export SILO_NAME='cache-silo-ci'  # cache bucket for CI
+export SILO_NAME='cache-silo-ci-gcc-11'  # cache bucket for CI
 run_torch_xla_tests $PYTORCH_DIR $XLA_DIR $USE_COVERAGE

WORKSPACE

@@ -38,7 +38,6 @@ http_archive(
     ],
     patch_tool = "patch",
     patches = [
-        "//openxla_patches:absl_statusor.diff",
         "//openxla_patches:cache_urls.diff",
         "//openxla_patches:cuda_graph.diff",
         "//openxla_patches:f16_abi_clang.diff",