fix: copying debug symbols from debug info section (#1820)

resolves #1646

Author: fahdfady

libwild/src/elf_writer.rs

@@ -1955,6 +1955,7 @@ fn write_symbols<'data>(
                 if let Some(section_index) = object.object.symbol_section(sym, sym_index)? {
                     match &object.sections[section_index.0] {
                         SectionSlot::Loaded(section) => section.output_section_id(),
+                        SectionSlot::LoadedDebugInfo(section) => section.output_section_id(),
                         SectionSlot::MergeStrings(section) => section.part_id.output_section_id(),
                         SectionSlot::FrameData(..) => output_section_id::EH_FRAME,
                         _ => bail!(

wild/tests/external_tests/mold_skip_tests.toml

@@ -27,7 +27,6 @@ tests = [
   "oformat-binary.sh",
   "omagic.sh",
   "package-metadata.sh",
-  "relocatable-debug-info.sh",
   "relocatable-exception.sh",
   "relocatable-merge-sections.sh",
   "repro.sh",                          # Note in this test's second half that it uses a custom environment variable called `MOLD_REPRO`. While Wild currently doesn't support `--repro`, it will eventually be moved to the "ignore" group once support is added.