Running llvm-dwarfdump-12 --verify on NativeAOT-generated linux object files produces a tremendous number of validation warnings and errors. I first noticed this on my Switch project, but I was able to reproduce the problem even when testing with the basic "Hello World" program created by dotnet new console.

A full Hello World validation log for linux-x64 can be found in this gist if you want to wade through 236,000+ lines of dwarfdump output. 😄

Thankfully despite the verbosity of the output, there are only a few unique types of warnings and errors generated.

• warning: DW_TAG_subprogram has DW_CHILDREN_yes but DIE has no children (occurs 2585 times)
• error: Unable to resolve location list offset pair: Base address not defined (occurs 17599 times)
• error: DIEs have overlapping address ranges: (occurs 1683 times)
• error: DIE address ranges are not contained in its parent's ranges: (occurs 793 times)

The latter two appear to be related to exception handling, since they're almost always proceeded by a DW_TAG_try_block or DW_TAG_catch_block.

I'm pretty out of my depth here, but I would like to at least try to debug and fix these issues. Any recommendations for what I should be looking at in ObjWriter?