[lldb][NFC] Overload raw_ostream operator << for ConstString

Summary: We are not doing this very often, but sometimes it's convenient when I can just << ConstStrings into llvm::errs() during testing.

Reviewers: labath, JDevlieghere

Reviewed By: labath, JDevlieghere

Subscribers: JDevlieghere

Differential Revision: https://reviews.llvm.org/D80310

Author: Teemperor

lldb/include/lldb/Utility/ConstString.h

@@ -490,6 +490,11 @@ template <> struct ScalarTraits<lldb_private::ConstString> {
   static QuotingType mustQuote(StringRef S) { return QuotingType::Double; }
 };
 } // namespace yaml
+
+inline raw_ostream &operator<<(raw_ostream &os, lldb_private::ConstString s) {
+  os << s.GetStringRef();
+  return os;
+}
 } // namespace llvm
 
 LLVM_YAML_IS_SEQUENCE_VECTOR(lldb_private::ConstString)

lldb/source/Core/Section.cpp

@@ -337,7 +337,7 @@ void Section::DumpName(llvm::raw_ostream &s) const {
     if (name && name[0])
       s << name << '.';
   }
-  s << m_name.GetStringRef();
+  s << m_name;
 }
 
 bool Section::IsDescendant(const Section *section) {

lldb/source/Symbol/Function.cpp

@@ -374,9 +374,9 @@ void Function::GetDescription(Stream *s, lldb::DescriptionLevel level,
 
   *s << "id = " << (const UserID &)*this;
   if (name)
-    *s << ", name = \"" << name.GetCString() << '"';
+    s->AsRawOstream() << ", name = \"" << name << '"';
   if (mangled)
-    *s << ", mangled = \"" << mangled.GetCString() << '"';
+    s->AsRawOstream() << ", mangled = \"" << mangled << '"';
   *s << ", range = ";
   Address::DumpStyle fallback_style;
   if (level == eDescriptionLevelVerbose)