[compiler-rt] Undo lsan part of #98240 (PR #98409)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-hip-vega20` running on `hip-vega20-0` while building `compiler-rt` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/123/builds/1570

Here is the relevant piece of the build log for the reference:
```
Step 3 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/hip-build.sh --jobs=' (failure)
...
-- For i386 builtins preferring i386/floatdidf.S to floatdidf.c
-- For i386 builtins preferring i386/floatdisf.S to floatdisf.c
-- For i386 builtins preferring i386/floatundidf.S to floatundidf.c
-- For i386 builtins preferring i386/floatundisf.S to floatundisf.c
-- For i386 builtins preferring i386/lshrdi3.S to lshrdi3.c
-- For i386 builtins preferring i386/moddi3.S to moddi3.c
-- For i386 builtins preferring i386/muldi3.S to muldi3.c
-- For i386 builtins preferring i386/udivdi3.S to udivdi3.c
-- For i386 builtins preferring i386/umoddi3.S to umoddi3.c
-- For i386 builtins preferring i386/floatdixf.S to floatdixf.c
-- For i386 builtins preferring i386/floatundixf.S to floatundixf.c
-- Performing additional configure checks with target flags: -m64
-- For x86_64 builtins preferring i386/fp_mode.c to fp_mode.c
-- For x86_64 builtins preferring x86_64/floatdidf.c to floatdidf.c
-- For x86_64 builtins preferring x86_64/floatdisf.c to floatdisf.c
-- For x86_64 builtins preferring x86_64/floatundidf.S to floatundidf.c
-- For x86_64 builtins preferring x86_64/floatundisf.S to floatundisf.c
-- For x86_64 builtins preferring x86_64/floatdixf.c to floatdixf.c
-- For x86_64 builtins preferring x86_64/floatundixf.S to floatundixf.c
CMake Error at /buildbot/llvm-project/compiler-rt/lib/CMakeLists.txt:44 (add_subdirectory):
  The binary directory

    /buildbot/hip-vega20-0/clang-hip-vega20/llvm/projects/compiler-rt/lib/lsan

  is already used to build a source directory.  It cannot be used to build
  source directory

    /buildbot/llvm-project/compiler-rt/lib/lsan

  Specify a unique binary directory name.


-- Builtin supported architectures: i386;x86_64
-- Generated Sanitizer SUPPORTED_TOOLS list on "Linux" is "asan;lsan;hwasan;msan;tsan;ubsan"
-- sanitizer_common tests on "Linux" will run against "asan;lsan;hwasan;msan;tsan;ubsan"
-- check-nsan does nothing.
-- check-shadowcallstack does nothing.
-- LLD version: 19.0.0
-- Clang version: 19.0.0git
-- Registering ExampleIRTransforms as a pass plugin (static build: OFF)
-- Registering Bye as a pass plugin (static build: OFF)
-- Failed to find LLVM FileCheck
-- Google Benchmark version: v0.0.0, normalized to 0.0.0
-- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
-- Performing Test HAVE_POSIX_REGEX -- success
-- Performing Test HAVE_STEADY_CLOCK -- success
-- Performing Test HAVE_PTHREAD_AFFINITY -- success
-- Configuring incomplete, errors occurred!
See also "/buildbot/hip-vega20-0/clang-hip-vega20/llvm/CMakeFiles/CMakeOutput.log".
See also "/buildbot/hip-vega20-0/clang-hip-vega20/llvm/CMakeFiles/CMakeError.log".

```

https://github.com/llvm/llvm-project/pull/98409