[compiler-rt] [llvm] [ORC][MachO] Use a per-graph compact-unwind dso_base (PR #208931)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- compiler-rt/test/orc/TestCases/Darwin/arm64/lljit-per-graph-compact-unwind-base.cpp compiler-rt/test/orc/TestCases/Darwin/x86-64/lljit-per-graph-compact-unwind-base.cpp compiler-rt/lib/orc/macho_platform.cpp llvm/include/llvm/ExecutionEngine/Orc/MachOPlatform.h llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/compiler-rt/lib/orc/macho_platform.cpp b/compiler-rt/lib/orc/macho_platform.cpp
index 254e8270f..7cbfe3684 100644
--- a/compiler-rt/lib/orc/macho_platform.cpp
+++ b/compiler-rt/lib/orc/macho_platform.cpp
@@ -127,8 +127,9 @@ template <>
 class SPSSerializationTraits<SPSUnwindSectionInfo, UnwindSectionInfo> {
 public:
   static size_t size(const UnwindSectionInfo &USI) {
-    return SPSUnwindSectionInfo::AsArgList::size(
-        USI.CodeRanges, USI.DSOBase, USI.DwarfSection, USI.CompactUnwindSection);
+    return SPSUnwindSectionInfo::AsArgList::size(USI.CodeRanges, USI.DSOBase,
+                                                 USI.DwarfSection,
+                                                 USI.CompactUnwindSection);
   }
 
   static bool serialize(SPSOutputBuffer &OB, const UnwindSectionInfo &USI) {
diff --git a/llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp b/llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp
index ae81a4e8e..0bee63121 100644
--- a/llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/MachOPlatform.cpp
@@ -1323,8 +1323,9 @@ MachOPlatform::MachOPlatformPlugin::findUnwindSectionInfo(
 
   // Record the compact-unwind base that the __unwind_info writer used to encode
   // its deltas, so the runtime decodes them against the same base. This is the
-  // per-graph "__jitlink$libunwind_dso_base" symbol; if absent (e.g. DWARF-only)
-  // US.DSOBase stays null and the runtime falls back to the JITDylib header.
+  // per-graph "__jitlink$libunwind_dso_base" symbol; if absent (e.g.
+  // DWARF-only) US.DSOBase stays null and the runtime falls back to the
+  // JITDylib header.
   auto DSOBaseName = G.intern("__jitlink$libunwind_dso_base");
   if (auto *DSOBaseSym = G.findAbsoluteSymbolByName(DSOBaseName))
     US.DSOBase = DSOBaseSym->getAddress();

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https://github.com/llvm/llvm-project/pull/208931