From 519fc96c475680de2cc49e7811dbbfadb912cbcc Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 23 Oct 2019 17:52:09 +0000
Subject: Vendor import of stripped clang trunk r375505, the last commit before
 the upstream Subversion repository was made read-only, and the LLVM project
 migrated to GitHub:

https://llvm.org/svn/llvm-project/cfe/trunk@375505
---
 lib/AST/CommentSema.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/AST/CommentSema.cpp')

diff --git a/lib/AST/CommentSema.cpp b/lib/AST/CommentSema.cpp
index 067b3ae4222e..69d61dc55162 100644
--- a/lib/AST/CommentSema.cpp
+++ b/lib/AST/CommentSema.cpp
@@ -588,6 +588,8 @@ void Sema::checkReturnsCommand(const BlockCommandComment *Command) {
   if (isObjCPropertyDecl())
     return;
   if (isFunctionDecl() || isFunctionOrBlockPointerVarLikeDecl()) {
+    assert(!ThisDeclInfo->ReturnType.isNull() &&
+           "should have a valid return type");
     if (ThisDeclInfo->ReturnType->isVoidType()) {
       unsigned DiagKind;
       switch (ThisDeclInfo->CommentDecl->getKind()) {
@@ -873,6 +875,12 @@ bool Sema::isFunctionOrBlockPointerVarLikeDecl() {
   // can be ignored.
   if (QT->getAs<TypedefType>())
     return false;
+  if (const auto *P = QT->getAs<PointerType>())
+    if (P->getPointeeType()->getAs<TypedefType>())
+      return false;
+  if (const auto *P = QT->getAs<BlockPointerType>())
+    if (P->getPointeeType()->getAs<TypedefType>())
+      return false;
   return QT->isFunctionPointerType() || QT->isBlockPointerType();
 }
 
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