[Lldb-commits] [lldb] [llvm] Revert "[NFC][DebugInfo][DWARF] Create new low-level dwarf library (#… (PR #145959)

[LLVM Continuous Integration via lldb-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve2-vla` running on `linaro-g4-02` while building `bolt,lldb,llvm,utils` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/198/builds/5640

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'SanitizerCommon-ubsan-aarch64-Linux :: Posix/create_thread_loop.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/./bin/clang  --driver-mode=g++ -gline-tables-only -fsanitize=undefined   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta  -funwind-tables  -I/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test -ldl -O3 -pthread /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/sanitizer_common/TestCases/Posix/create_thread_loop.cpp -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/ubsan-aarch64-Linux/Posix/Output/create_thread_loop.cpp.tmp &&  /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/ubsan-aarch64-Linux/Posix/Output/create_thread_loop.cpp.tmp 1000 # RUN: at line 3
+ /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/./bin/clang --driver-mode=g++ -gline-tables-only -fsanitize=undefined -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -funwind-tables -I/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test -ldl -O3 -pthread /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/sanitizer_common/TestCases/Posix/create_thread_loop.cpp -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/ubsan-aarch64-Linux/Posix/Output/create_thread_loop.cpp.tmp
+ /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/ubsan-aarch64-Linux/Posix/Output/create_thread_loop.cpp.tmp 1000
UndefinedBehaviorSanitizer:DEADLYSIGNAL
==108455==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0xf9f4cd80f1e8 (pc 0xf9f4d24ce460 bp 0xffffe466c130 sp 0xffffe466c130 T108455)
==108455==The signal is caused by a READ memory access.
    #0 0xf9f4d24ce460 in pthread_detach nptl/pthread_detach.c:48:29
    #1 0xaaec89a6f0b0 in main /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/sanitizer_common/TestCases/Posix/create_thread_loop.cpp:23:7
    #2 0xf9f4d24773f8 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #3 0xf9f4d24774c8 in __libc_start_main csu/../csu/libc-start.c:392:3
    #4 0xaaec89a44dec in _start (/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/ubsan-aarch64-Linux/Posix/Output/create_thread_loop.cpp.tmp+0x4dec)

==108455==Register values:
 x0 = 0x0000000000000000   x1 = 0x0000f9f4cd80f0e0   x2 = 0x0000f9f4cd80f508   x3 = 0x0000000000000008  
 x4 = 0x0000f9f4cd80f1b0   x5 = 0x0000f9f4cd80f8a0   x6 = 0x0000f9f4cd80f1b0   x7 = 0x0000f9f4cd000000  
 x8 = 0x0000000000000087   x9 = 0xffffffffffffffe0  x10 = 0x0000f9f4d24cd2e4  x11 = 0x00000000003d0f00  
x12 = 0x0000f9f4cd80f0e0  x13 = 0x0000f9f4d25f3450  x14 = 0x0000000000000140  x15 = 0x0000aaecbd5970a0  
x16 = 0x0000000000000001  x17 = 0x0000f9f4d24ce430  x18 = 0x0000000000000000  x19 = 0x0000f9f4cd80f0e0  
x20 = 0x0000aaec89a6f11c  x21 = 0x0000aaec89a935c0  x22 = 0x0000f9f4d2a24040  x23 = 0x0000aaec89a6f024  
x24 = 0x0000f9f4d25ea000  x25 = 0x0000000000000000  x26 = 0x0000ffffe466c310  x27 = 0x0000aaec89a935c0  
x28 = 0x0000000000000000   fp = 0x0000ffffe466c130   lr = 0x0000f9f4d24ce45c   sp = 0x0000ffffe466c130  
UndefinedBehaviorSanitizer can not provide additional info.
SUMMARY: UndefinedBehaviorSanitizer: SEGV nptl/pthread_detach.c:48:29 in pthread_detach
==108455==ABORTING

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/145959