[compiler-rt] [nfc][lsan] Replace `suspended_threads.GetThreadID(i)` with local var (PR #112607)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Vitaly Buka (vitalybuka)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/112607.diff


1 Files Affected:

- (modified) compiler-rt/lib/lsan/lsan_common.cpp (+2-3) 


``````````diff
diff --git a/compiler-rt/lib/lsan/lsan_common.cpp b/compiler-rt/lib/lsan/lsan_common.cpp
index 8cdc6d1651f183..329e29477d0723 100644
--- a/compiler-rt/lib/lsan/lsan_common.cpp
+++ b/compiler-rt/lib/lsan/lsan_common.cpp
@@ -405,7 +405,7 @@ static void ProcessThreads(SuspendedThreadsList const &suspended_threads,
   InternalMmapVector<uptr> registers;
   InternalMmapVector<Range> extra_ranges;
   for (uptr i = 0; i < suspended_threads.ThreadCount(); i++) {
-    tid_t os_id = static_cast<tid_t>(suspended_threads.GetThreadID(i));
+    const tid_t os_id = static_cast<tid_t>(suspended_threads.GetThreadID(i));
     LOG_THREADS("Processing thread %llu.\n", os_id);
     uptr stack_begin, stack_end, tls_begin, tls_end, cache_begin, cache_end;
     DTLS *dtls;
@@ -429,9 +429,8 @@ static void ProcessThreads(SuspendedThreadsList const &suspended_threads,
         continue;
       sp = stack_begin;
     }
-    if (suspended_threads.GetThreadID(i) == caller_tid) {
+    if (os_id == caller_tid)
       sp = caller_sp;
-    }
 
     if (flags()->use_registers && have_registers) {
       uptr registers_begin = reinterpret_cast<uptr>(registers.data());

``````````

</details>


https://github.com/llvm/llvm-project/pull/112607