[ASTDumper] Consolidate series of closing parens into single line at end of AST in Initial Constraints and in the fully Type-checked expression.

Author: Amritpan Kaur

lib/AST/ASTDumper.cpp

@@ -2590,12 +2590,6 @@ class PrintExpr : public ExprVisitor<PrintExpr> {
     }
     Indent -= 2;
 
-    // If we printed any args, then print the closing ')' on a new line,
-    // otherwise print inline with the '(argument_list'.
-    if (!argList->empty()) {
-      OS << '\n';
-      OS.indent(Indent);
-    }
     PrintWithColorRAII(OS, ParenthesisColor) << ')';
 
     if (indent)

lib/Sema/TypeCheckConstraints.cpp

@@ -1386,6 +1386,7 @@ void ConstraintSystem::print(raw_ostream &out, Expr *E) const {
   };
 
   E->dump(out, getTypeOfExpr, getTypeOfTypeRepr, getTypeOfKeyPathComponent);
+  out << "\n";
 }
 
 void ConstraintSystem::print(raw_ostream &out) const {