3 files changed, 23 insertions, 18 deletions
diff --git a/clang/lib/AST/Comment.cpp b/clang/lib/AST/Comment.cpp
index 03b58a7aa3c..edb0f60fdfe 100644
--- a/clang/lib/AST/Comment.cpp
+++ b/clang/lib/AST/Comment.cpp
@@ -306,24 +306,22 @@ void DeclInfo::fill() {
 }
 
 StringRef ParamCommandComment::getParamName(comments::FullComment *FC) const {
-  if (FC && isParamIndexValid())
-    return FC->getThisDeclInfo()->ParamVars[getParamIndex()]->getName();
-  return Args[0].Text;
+  assert(isParamIndexValid());
+  return FC->getThisDeclInfo()->ParamVars[getParamIndex()]->getName();
 }
 
 StringRef TParamCommandComment::getParamName(comments::FullComment *FC) const {
-  if (FC && isPositionValid()) {
-    const TemplateParameterList *TPL = FC->getThisDeclInfo()->TemplateParameters;
-    for (unsigned i = 0, e = getDepth(); i != e; ++i) {
-      if (i == e-1)
-        return TPL->getParam(getIndex(i))->getName();
-      const NamedDecl *Param = TPL->getParam(getIndex(i));
-      if (const TemplateTemplateParmDecl *TTP =
+  assert(isPositionValid());
+  const TemplateParameterList *TPL = FC->getThisDeclInfo()->TemplateParameters;
+  for (unsigned i = 0, e = getDepth(); i != e; ++i) {
+    if (i == e-1)
+      return TPL->getParam(getIndex(i))->getName();
+    const NamedDecl *Param = TPL->getParam(getIndex(i));
+    if (const TemplateTemplateParmDecl *TTP =
           dyn_cast<TemplateTemplateParmDecl>(Param))
-        TPL = TTP->getTemplateParameters();
-    }
+      TPL = TTP->getTemplateParameters();
   }
-  return Args[0].Text;
+  return "";
 }
   
 } // end namespace comments
diff --git a/clang/lib/AST/CommentDumper.cpp b/clang/lib/AST/CommentDumper.cpp
index 4f51cd5622c..18ba47ff6c7 100644
--- a/clang/lib/AST/CommentDumper.cpp
+++ b/clang/lib/AST/CommentDumper.cpp
@@ -186,8 +186,12 @@ void CommentDumper::visitParamCommandComment(const ParamCommandComment *C) {
   else
     OS << " implicitly";
 
-  if (C->hasParamName())
-    OS << " Param=\"" << C->getParamName(const_cast<FullComment*>(FC)) << "\"";
+  if (C->hasParamName()) {
+    if (C->isParamIndexValid())
+      OS << " Param=\"" << C->getParamName(const_cast<FullComment*>(FC)) << "\"";
+    else
+      OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
+  }
 
   if (C->isParamIndexValid())
     OS << " ParamIndex=" << C->getParamIndex();
@@ -197,7 +201,10 @@ void CommentDumper::visitTParamCommandComment(const TParamCommandComment *C) {
   dumpComment(C);
 
   if (C->hasParamName()) {
-    OS << " Param=\"" << C->getParamName(const_cast<FullComment*>(FC)) << "\"";
+    if (C->isPositionValid())
+      OS << " Param=\"" << C->getParamName(const_cast<FullComment*>(FC)) << "\"";
+    else
+      OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
   }
 
   if (C->isPositionValid()) {
diff --git a/clang/lib/AST/CommentSema.cpp b/clang/lib/AST/CommentSema.cpp
index d664bdb6329..08ecb3a994d 100644
--- a/clang/lib/AST/CommentSema.cpp
+++ b/clang/lib/AST/CommentSema.cpp
@@ -574,7 +574,7 @@ void Sema::resolveParamCommandIndexes(const FullComment *FC) {
     ParamCommandComment *PCC = dyn_cast<ParamCommandComment>(*I);
     if (!PCC || !PCC->hasParamName())
       continue;
-    StringRef ParamName = PCC->getParamName(0);
+    StringRef ParamName = PCC->getParamNameAsWritten();
 
     // Check that referenced parameter name is in the function decl.
     const unsigned ResolvedParamIndex = resolveParmVarReference(ParamName,
@@ -609,7 +609,7 @@ void Sema::resolveParamCommandIndexes(const FullComment *FC) {
     const ParamCommandComment *PCC = UnresolvedParamCommands[i];
 
     SourceRange ArgRange = PCC->getParamNameRange();
-    StringRef ParamName = PCC->getParamName(0);
+    StringRef ParamName = PCC->getParamNameAsWritten();
     Diag(ArgRange.getBegin(), diag::warn_doc_param_not_found)
       << ParamName << ArgRange;