[analyzer] Eliminate memory leak in BugReporter::emitReport()

llvm-svn: 203507

1 files changed, 5 insertions, 2 deletions

diff --git a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
index 1b55cdec589..387a0eb396e 100644
--- a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -3243,6 +3243,9 @@ void BugReporter::Register(BugType *BT) {
 }
 
 void BugReporter::emitReport(BugReport* R) {
+  // To guarantee memory release.
+  std::unique_ptr<BugReport> UniqueR(R);
+
   // Defensive checking: throw the bug away if it comes from a BodyFarm-
   // generated body. We do this very early because report processing relies
   // on the report's location being valid.
@@ -3273,12 +3276,12 @@ void BugReporter::emitReport(BugReport* R) {
   BugReportEquivClass* EQ = EQClasses.FindNodeOrInsertPos(ID, InsertPos);
 
   if (!EQ) {
-    EQ = new BugReportEquivClass(R);
+    EQ = new BugReportEquivClass(UniqueR.release());
     EQClasses.InsertNode(EQ, InsertPos);
     EQClassesVector.push_back(EQ);
   }
   else
-    EQ->AddReport(R);
+    EQ->AddReport(UniqueR.release());
 }