[llvm-bugs] [Bug 47157] New: llvm-gsymutil is failing with "child range not contained in parent" error

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=47157

            Bug ID: 47157
           Summary: llvm-gsymutil is failing with "child range not
                    contained in parent" error
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: DebugInfo
          Assignee: unassignedbugs at nondot.org
          Reporter: phosek at chromium.org
                CC: jdevlieghere at apple.com, keith.walker at arm.com,
                    llvm-bugs at lists.llvm.org,
                    paul_robinson at playstation.sony.com

I haven't yet managed to create a minimal reproducer, so here is a full binary
for now until I manage to reduce it:
https://storage.googleapis.com/fuchsia-build/basic_fuzzer_test.lzma

To reproduce the issue, simply run:

```
$ llvm-gsymutil --convert=basic_fuzzer_test --out-file=basic_fuzzer_test.gsym
...
llvm-gsymutil: error: basic_fuzzer_test: child range not contained in parent
```

This binary is somewhat unusual in that it's a Go fuzzer (compiled with the Go
compiler) that calls into C++ test harness (compiled with Clang), so the binary
includes an entire Go runtime and the generated DWARF looks somewhat different
from DWARF generated by Clang.

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