[llvm] [llvm-debuginfo-analyzer] Fix crash with WebAssembly dead code (PR #141616)

[David Blaikie via llvm-commits]

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@@ -133,6 +133,10 @@ class LVReader {
   // Only for ELF format. The CodeView is handled in a different way.
   LVSectionIndex DotTextSectionIndex = UndefinedSectionIndex;
 
+  // Tombstone value. Assume 64 bits. The value is updated for each
+  // Compile Unit that is processed.
+  LVAddress TombstoneAddress = MaxAddress;
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dwblaikie wrote:

Yep, I'd go with -2 for a meta-tombstone (or use std::optional if I wanted to be really explicit about the set/unset state)

https://github.com/llvm/llvm-project/pull/141616