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| author | nechda <nechda@yandex-team.com> | 2025-02-02 20:52:35 +0300 |
|---|---|---|
| committer | nechda <nechda@yandex-team.com> | 2025-02-02 21:05:55 +0300 |
| commit | 4078b4f040b2db49b3b690eea4d0352e73caffe8 (patch) | |
| tree | 37df1b93c50e217309e785a8620366524833ae06 /build/scripts/fix_py2_protobuf.py | |
| parent | b376b6fe5994a31f79310fb1e2b28e47dc63db5b (diff) | |
| download | ydb-4078b4f040b2db49b3b690eea4d0352e73caffe8.tar.gz | |
[ASAN] Enable detect_odr_violation=2
The ASAN flag for detecting ODR violations has been set to its **++default++** value (2).
commit_hash:7475c1eb748fa0704d3db551189591c87ce5357d
Diffstat (limited to 'build/scripts/fix_py2_protobuf.py')
| -rw-r--r-- | build/scripts/fix_py2_protobuf.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/build/scripts/fix_py2_protobuf.py b/build/scripts/fix_py2_protobuf.py index b2e9ed028b..1f5f86c26f 100644 --- a/build/scripts/fix_py2_protobuf.py +++ b/build/scripts/fix_py2_protobuf.py @@ -22,6 +22,17 @@ def gen_renames_1(d): def gen_renames_2(p, d): for s in gen_renames_1(d): + """ + Since clang-17, the option -fsanitize-address-globals-dead-stripping + has been enabled by default. Due to this, we have broken optimization + that merges calls to the `asan.module_ctor` function, as we are renaming + symbols with a prefix of 'py2_'. When this flag is enabled, and + the functions are not merged, false-positive ODR (One Definition Rule) + violations occur on objects such as `typeinfo std::exception`, because + the runtime is trying to handle global objects that have already been handled. + """ + if 'asan_globals' in s: + continue yield s + ' ' + p + s |