Swift AST: Fix debug description of Type

Don't get the swift source version string, but the debug dump string

Author: eeckstein

include/swift/AST/ASTBridging.h

@@ -3002,7 +3002,7 @@ struct BridgedASTType {
   swift::TypeBase * _Nullable type;
 
   BRIDGED_INLINE swift::Type unbridged() const;
-  BRIDGED_INLINE BridgedOwnedString getDebugDescription() const;
+  BridgedOwnedString getDebugDescription() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedCanType getCanonicalType() const;
   BRIDGED_INLINE bool isLegalFormalType() const;
   BRIDGED_INLINE bool hasTypeParameter() const;

include/swift/AST/ASTBridgingImpl.h

@@ -390,10 +390,6 @@ swift::Type BridgedASTType::unbridged() const {
   return type;
 }
 
-BridgedOwnedString BridgedASTType::getDebugDescription() const {
-  return BridgedOwnedString(unbridged().getString());
-}
-
 BridgedCanType BridgedASTType::getCanonicalType() const {
   return unbridged()->getCanonicalType();
 }

lib/AST/Bridging/MiscBridging.cpp

@@ -97,6 +97,17 @@ BridgedOwnedString BridgedDeclObj::getDebugDescription() const {
   return BridgedOwnedString(str);
 }
 
+//===----------------------------------------------------------------------===//
+// MARK: BridgedASTType
+//===----------------------------------------------------------------------===//
+
+BridgedOwnedString BridgedASTType::getDebugDescription() const {
+  std::string str;
+  llvm::raw_string_ostream os(str);
+  unbridged().dump(os);
+  return BridgedOwnedString(str);
+}
+
 //===----------------------------------------------------------------------===//
 // MARK: Conformance
 //===----------------------------------------------------------------------===//