[DebugInfo] Simplify the constructor of DWARFDebugAranges::Range. NFC.

[ikudrin]

Summary

This removes the default values of the arguments. The only caller, DWARFDebugAranges::construct(), provides all three parameters.

[aprantl]

Thanks!

llvm/include/llvm/DebugInfo/DWARF/DWARFDebugAranges.h

38

We should also get rid of the magic value here.

llvm/include/llvm/DebugInfo/DWARF/DWARFDebugAranges.h

private:
   void clear();
   void extract(DataExtractor DebugArangesData);
 
   /// Call appendRange multiple times and then call construct.
   void appendRange(uint64_t CUOffset, uint64_t LowPC, uint64_t HighPC);
   void construct();
 
   struct Range {
-    explicit Range(uint64_t LowPC = -1ULL, uint64_t HighPC = -1ULL,
-                   uint64_t CUOffset = -1ULL)
+    explicit Range(uint64_t LowPC, uint64_t HighPC, uint64_t CUOffset)
       : LowPC(LowPC), Length(HighPC - LowPC), CUOffset(CUOffset) {}
 
     void setHighPC(uint64_t HighPC) {
       if (HighPC == -1ULL || HighPC <= LowPC)
         Length = 0;
       else
         Length = HighPC - LowPC;
     }
 
     uint64_t HighPC() const {
       if (Length)