[clang] 3d9632a - [clang-rename] NFC, make getCanonicalSymbolDeclaration robust on nullptr input.

[Haojian Wu via cfe-commits]

Author: Haojian Wu
Date: 2019-10-25T14:33:04+02:00
New Revision: 3d9632a997fb3d59f0740bb00817b5c6115674cb

URL: https://github.com/llvm/llvm-project/commit/3d9632a997fb3d59f0740bb00817b5c6115674cb
DIFF: https://github.com/llvm/llvm-project/commit/3d9632a997fb3d59f0740bb00817b5c6115674cb.diff

LOG: [clang-rename] NFC, make getCanonicalSymbolDeclaration robust on nullptr input.

Added: 
    

Modified: 
    clang/lib/Tooling/Refactoring/Rename/USRFindingAction.cpp

Removed: 
    


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diff  --git a/clang/lib/Tooling/Refactoring/Rename/USRFindingAction.cpp b/clang/lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
index e26248f50c29..966833137c26 100644
--- a/clang/lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
+++ b/clang/lib/Tooling/Refactoring/Rename/USRFindingAction.cpp
@@ -39,6 +39,8 @@ namespace clang {
 namespace tooling {
 
 const NamedDecl *getCanonicalSymbolDeclaration(const NamedDecl *FoundDecl) {
+  if (!FoundDecl)
+    return nullptr;
   // If FoundDecl is a constructor or destructor, we want to instead take
   // the Decl of the corresponding class.
   if (const auto *CtorDecl = dyn_cast<CXXConstructorDecl>(FoundDecl))