Export of internal Abseil changes

--
d6748c733a70cd74ad9b76a0c9cd6b3fe2cecacf by Xiaoyi Zhang <zhangxy@google.com>:

Remove empty block, to address alerts reported in
https://github.com/abseil/abseil-cpp/issues/368.

PiperOrigin-RevId: 265099887

--
232e2036b5668d6d1296b881f9347756d84541ee by Derek Mauro <dmauro@google.com>:

Make the Linux Bazel CI scripts test with the exception mode explicitly set.

PiperOrigin-RevId: 265092105

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942a40696c2c9b833be03e92d22a6ede7bccb6d4 by Xiaoyi Zhang <zhangxy@google.com>:

Import https://github.com/abseil/abseil-cpp/pull/372.
Suppress the unused variable warning on GCC, i.e. "-Wunused-variable".

PiperOrigin-RevId: 265063925

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7ef90796b52cbdc260afc77cf47206f9356471d0 by Xiaoyi Zhang <zhangxy@google.com>:

Add quotes to `ABSL_COMMON_INCLUDE_DIRS` since it's a list and may contain a
`;`. This addresses https://github.com/abseil/abseil-cpp/issues/373.

PiperOrigin-RevId: 265059077

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43f3ae742e00b83672ad6c5bc5b17fdb8f9fe6fe by Gennadiy Rozental <rogeeff@google.com>:

Internal re-organization

PiperOrigin-RevId: 264913945

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6a2adf9c08ee1d98cc6b2855a676345c6495294a by Andy Soffer <asoffer@google.com>:

Publicly expose type names for uniform interval tags as in, for example, absl::IntervalClosedClosedTag, and add equality comparison operators.

PiperOrigin-RevId: 264861162

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3c90c6e05fd61d56b419cd2d39dab8f17b8711b8 by Abseil Team <absl-team@google.com>:

Add validity check on returned frame pointer.

PiperOrigin-RevId: 264858823

--
2db87e0cfa0c6bea7ba81684b834cb8a73b7d748 by Gennadiy Rozental <rogeeff@google.com>:

Add MUST_USE_RESULT attribute to absl::GetFlag to prevent accidental misuse.

PiperOrigin-RevId: 264782762
GitOrigin-RevId: d6748c733a70cd74ad9b76a0c9cd6b3fe2cecacf
Change-Id: I169e9c5358e4f63000c1255e806d26b8afecf5ff

1 files changed, 28 insertions, 23 deletions

diff --git a/ci/linux_gcc-latest_libstdcxx_bazel.sh b/ci/linux_gcc-latest_libstdcxx_bazel.sh
index 92933e3a4c64..10f6be2135ac 100755
--- a/ci/linux_gcc-latest_libstdcxx_bazel.sh
+++ b/ci/linux_gcc-latest_libstdcxx_bazel.sh
@@ -32,6 +32,10 @@ if [ -z ${COMPILATION_MODE:-} ]; then
   COMPILATION_MODE="fastbuild opt"
 fi
 
+if [ -z ${EXCEPTIONS_MODE:-} ]; then
+  EXCEPTIONS_MODE="-fno-exceptions -fexceptions"
+fi
+
 readonly DOCKER_CONTAINER="gcr.io/google.com/absl-177019/linux_gcc-latest:20190703"
 
 # USE_BAZEL_CACHE=1 only works on Kokoro.
@@ -48,28 +52,29 @@ fi
 
 for std in ${STD}; do
   for compilation_mode in ${COMPILATION_MODE}; do
-    echo "--------------------------------------------------------------------"
-    echo "Testing with --compilation_mode=${compilation_mode} and --std=${std}"
-
-    time docker run \
-      --volume="${ABSEIL_ROOT}:/abseil-cpp:ro" \
-      --workdir=/abseil-cpp \
-      --cap-add=SYS_PTRACE \
-      --rm \
-      -e CC="/usr/local/bin/gcc" \
-      -e BAZEL_CXXOPTS="-std=${std}" \
-      ${DOCKER_EXTRA_ARGS:-} \
-      ${DOCKER_CONTAINER} \
-      /usr/local/bin/bazel test ... \
-        --compilation_mode=${compilation_mode} \
-        --copt=-Werror \
-        --define="absl=1" \
-        --keep_going \
-        --show_timestamps \
-        --test_env="GTEST_INSTALL_FAILURE_SIGNAL_HANDLER=1" \
-        --test_env="TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo" \
-        --test_output=errors \
-        --test_tag_filters=-benchmark \
-        ${BAZEL_EXTRA_ARGS:-}
+    for exceptions_mode in ${EXCEPTIONS_MODE}; do
+      echo "--------------------------------------------------------------------"
+      time docker run \
+        --volume="${ABSEIL_ROOT}:/abseil-cpp:ro" \
+        --workdir=/abseil-cpp \
+        --cap-add=SYS_PTRACE \
+        --rm \
+        -e CC="/usr/local/bin/gcc" \
+        -e BAZEL_CXXOPTS="-std=${std}" \
+        ${DOCKER_EXTRA_ARGS:-} \
+        ${DOCKER_CONTAINER} \
+        /usr/local/bin/bazel test ... \
+          --compilation_mode="${compilation_mode}" \
+          --copt="${exceptions_mode}" \
+          --copt=-Werror \
+          --define="absl=1" \
+          --keep_going \
+          --show_timestamps \
+          --test_env="GTEST_INSTALL_FAILURE_SIGNAL_HANDLER=1" \
+          --test_env="TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo" \
+          --test_output=errors \
+          --test_tag_filters=-benchmark \
+          ${BAZEL_EXTRA_ARGS:-}
+    done
   done
 done