This fixes the issue:

diff --git a/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs b/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
index 659c48acda2..f4aac9b81be 100644
--- a/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
+++ b/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
@@ -460,6 +460,11 @@ private protected override void EmitSymbolRangeDefinition(Utf8String rangeNodeNa
                 case IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A:
                 case IMAGE_REL_BASED_ARM64_PAGEOFFSET_12L:
                     // Addend is handled through ARM64_RELOC_ADDEND
+                    fixed (byte* pData = data)
+                    {
+                        addend += Relocation.ReadValue(relocType, pData);
+                        Relocation.WriteValue(relocType, pData, 0);
+                    }
                     break;
 
                 case IMAGE_REL_BASED_RELPTR32:

It is the equivalent of this code that I found in LLVM:

https://github.com/llvm/llvm-project/blob/3a084241248efd7d5259183cffae1d5b7057a54c/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp#L355-L382

@filipnavara does this look right?

MacOS arm64 NAOT runtime-async - bad ResumeInfo written (causing failure on StackTraceTests) #124015

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