[llvm] Introduce DwarfUnit::addBlock helper method (PR #168446)

[Michael Buch via llvm-commits]

================
@@ -441,6 +441,14 @@ void DwarfUnit::addBlock(DIE &Die, dwarf::Attribute Attribute,
   addBlock(Die, Attribute, Block->BestForm(), Block);
 }
 
+void DwarfUnit::addBlock(DIE &Die, dwarf::Attribute Attribute, DIExpression *Expr) {
----------------
Michael137 wrote:

Would this work?
```suggestion
void DwarfUnit::addBlock(DIE &Die, dwarf::Attribute Attribute, const DIExpression *Expr) {
```

https://github.com/llvm/llvm-project/pull/168446