private DebugInfoEntry getDIEByIndex(int dieIndex) {
		long dieOffset = 0 <= dieIndex && dieIndex < dieOffsets.length ? dieOffsets[dieIndex] : -1;
		return getDIEByOffset(dieOffset, dieIndex);
	}
Returns the specified DIE record.

@param dieOffset offset of a DIE record
@return {@link DebugInfoEntry} instance, or null if invalid offset
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFProgram.java