| Issue |
98354
|
| Summary |
LSAN does not work together with --icf=safe on Ubuntu
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
Trass3r
|
```sh
LDFLAGS="-fsanitize=leak -fuse-ld=lld -Xlinker --icf=safe"
clang++ -o ...
ld.lld: warning: /usr/lib/llvm-18/lib/clang/18/lib/linux/libclang_rt.lsan-x86_64.a(interception_linux.cpp.o):
--icf=safe conservatively ignores SHT_LLVM_ADDRSIG [index 10] with sh_link=0 (likely created using objcopy or ld -r)
```
It's not objcopy/ld -r, Ubuntu strips the library:
https://launchpadlibrarian.net/724504654/buildlog_ubuntu-noble-amd64.llvm-toolchain-18_1%3A18.1.3-1_BUILDING.txt.gz
```
strip --strip-debug --remove-section=.comment --remove-section=.note --enable-deterministic-archives -R .gnu.lto_\* -R .gnu.debuglto_\* -N __gnu_lto_slim -N __gnu_lto_v1 debian/libclang-rt-18-dev/usr/lib/llvm-18/lib/clang/18/lib/linux/libclang_rt.lsan-x86_64.a
```
That destroys the sh_link.
Question is if this is a bug. llvm-strip seems to do the same thing.
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