[compiler-rt] [asan] Fix misalignment of variables in fake stack frames (PR #152819)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,h -- compiler-rt/lib/asan/asan_fake_stack.cpp compiler-rt/lib/asan/asan_fake_stack.h compiler-rt/lib/asan/tests/asan_fake_stack_test.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/compiler-rt/lib/asan/asan_fake_stack.cpp b/compiler-rt/lib/asan/asan_fake_stack.cpp
index badc07d17..e9079e936 100644
--- a/compiler-rt/lib/asan/asan_fake_stack.cpp
+++ b/compiler-rt/lib/asan/asan_fake_stack.cpp
@@ -65,8 +65,10 @@ FakeStack *FakeStack::Create(uptr stack_size_log) {
   // We didn't use MmapAlignedOrDieOnFatalError, because it requires that the
   // *size* is a power of 2, which is an overly strong condition.
   FakeStack *res = reinterpret_cast<FakeStack *>(
-      RoundUpTo((uptr)true_res + kFlagsOffset + SizeRequiredForFlags(stack_size_log), 1 << kMaxStackFrameSizeLog)
-      - kFlagsOffset - SizeRequiredForFlags(stack_size_log));
+      RoundUpTo(
+          (uptr)true_res + kFlagsOffset + SizeRequiredForFlags(stack_size_log),
+          1 << kMaxStackFrameSizeLog) -
+      kFlagsOffset - SizeRequiredForFlags(stack_size_log));
   res->true_start = true_res;
   res->stack_size_log_ = stack_size_log;
   u8 *p = reinterpret_cast<u8 *>(res);

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https://github.com/llvm/llvm-project/pull/152819