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bazel: add a few flags to --config=clang-msan. #16603

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Merged
lizan merged 1 commit into from
May 20, 2021
Merged

bazel: add a few flags to --config=clang-msan. #16603

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3 changes: 3 additions & 0 deletions .bazelrc
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Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,12 @@ build:clang-msan --config=sanitizer
build:clang-msan --define ENVOY_CONFIG_MSAN=1
build:clang-msan --copt -fsanitize=memory
build:clang-msan --linkopt -fsanitize=memory
build:clang-msan --linkopt -fuse-ld=lld
build:clang-msan --copt -fsanitize-memory-track-origins=2
build:clang-msan --test_env=MSAN_SYMBOLIZER_PATH
# MSAN needs -O1 to get reasonable performance.
build:clang-msan --copt -O1
build:clang-msan --copt -fno-optimize-sibling-calls

# Clang with libc++
build:libc++ --config=clang
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1 change: 1 addition & 0 deletions bazel/external/wee8.genrule_cmd
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Expand Up @@ -54,6 +54,7 @@ if [[ $${ENVOY_UBSAN_VPTR-} == "1" ]]; then
fi
if [[ $${ENVOY_MSAN-} == "1" ]]; then
WEE8_BUILD_ARGS+=" is_msan=true"
WEE8_BUILD_ARGS+=" msan_track_origins=2"
export LDFLAGS="$${LDFLAGS} -L/opt/libcxx_msan/lib -Wl,-rpath,/opt/libcxx_msan/lib"
fi
if [[ $${ENVOY_TSAN-} == "1" ]]; then
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