[clang] a623f4c - [NFC][clang] Fix static analyzer concerns

[via cfe-commits]

Author: Podchishchaeva, Mariya
Date: 2023-07-28T05:29:56-07:00
New Revision: a623f4c7849838361c9a69324cf669100bc0e414

URL: https://github.com/llvm/llvm-project/commit/a623f4c7849838361c9a69324cf669100bc0e414
DIFF: https://github.com/llvm/llvm-project/commit/a623f4c7849838361c9a69324cf669100bc0e414.diff

LOG: [NFC][clang] Fix static analyzer concerns

DelegatingDeserializationListener frees resources in the destructor but doesn't
have user-written copy c'tor or assignment operator, so copying it using
default ones can cause double free.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D156405

Added: 
    

Modified: 
    clang/lib/Frontend/FrontendAction.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index c6f958a6077bf6..f14557c316ec7a 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -61,6 +61,11 @@ class DelegatingDeserializationListener : public ASTDeserializationListener {
       delete Previous;
   }
 
+  DelegatingDeserializationListener(const DelegatingDeserializationListener &) =
+      delete;
+  DelegatingDeserializationListener &
+  operator=(const DelegatingDeserializationListener &) = delete;
+
   void ReaderInitialized(ASTReader *Reader) override {
     if (Previous)
       Previous->ReaderInitialized(Reader);