[compiler-rt] [TSan][Darwin] Add _longjmp interceptor for Apple platforms (PR #163384)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 5820 tests passed
* 1323 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### ThreadSanitizer-x86_64
<details>
<summary>ThreadSanitizer-x86_64.ThreadSanitizer-x86_64/setjmp_longjmp.c</summary>

```
Exit Code: 1

Command Output (stderr):
--
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang  -fsanitize=thread -Wall  -m64  -msse4.2   -gline-tables-only -I/home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/../ /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/tsan/X86_64Config/Output/setjmp_longjmp.c.tmp # RUN: at line 1
+ /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang -fsanitize=thread -Wall -m64 -msse4.2 -gline-tables-only -I/home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/../ /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/tsan/X86_64Config/Output/setjmp_longjmp.c.tmp
/home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/deflake.bash 10  /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/tsan/X86_64Config/Output/setjmp_longjmp.c.tmp | FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c # RUN: at line 2
+ FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c
+ /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/deflake.bash 10 /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/compiler-rt/test/tsan/X86_64Config/Output/setjmp_longjmp.c.tmp
/home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c:47:11: error: CHECK: expected string not found in input
// CHECK: WARNING: ThreadSanitizer: data race
          ^
<stdin>:1:1: note: scanning from here
ThreadSanitizer:DEADLYSIGNAL
^
<stdin>:2:9: note: possible intended match here
==573429==ERROR: ThreadSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000000000 bp 0x7ffff40fd5f0 sp 0x7ffff40fd5c8 T573431)
        ^

Input file: <stdin>
Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/test/tsan/setjmp_longjmp.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: ThreadSanitizer:DEADLYSIGNAL 
check:47'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: ==573429==ERROR: ThreadSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000000000 bp 0x7ffff40fd5f0 sp 0x7ffff40fd5c8 T573431) 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:47'1             ?                                                                                                                                 possible intended match
            3: ==573429==Hint: pc points to the zero page. 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            4: ==573429==The signal is caused by a READ memory access. 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5: ==573429==Hint: address points to the zero page. 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6:  #0 <null> <null> (0x000000000000) 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            7:  #1 __sanitizer::BufferedStackTrace::UnwindImpl(unsigned long, unsigned long, void*, bool, unsigned int) /home/gha/actions-runner/_work/llvm-project/llvm-project/compiler-rt/lib/tsan/rtl/tsan_stack_trace.cpp:55:3 (setjmp_longjmp.c.tmp+0xe4ce0) 
check:47'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            .
            .
            .
>>>>>>

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/163384