Fixing a possible memory leak from a failing realloc() call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195018 91177308-0d34-0410-b5e6-96231b3b80d8
jcnm · Nov 18, 2013 · eae6e54 · eae6e54
1 parent 6919bec
commit eae6e54
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/lib/Support/SmallPtrSet.cpp b/lib/Support/SmallPtrSet.cpp
@@ -202,8 +202,13 @@ void SmallPtrSetImpl::CopyFrom(const SmallPtrSetImpl &RHS) {
   } else if (CurArraySize != RHS.CurArraySize) {
     if (isSmall())
       CurArray = (const void**)malloc(sizeof(void*) * RHS.CurArraySize);
-    else
-      CurArray = (const void**)realloc(CurArray, sizeof(void*)*RHS.CurArraySize);
+    else {
+      const void **T = (const void**)realloc(CurArray,
+                                             sizeof(void*) * RHS.CurArraySize);
+      if (!T)
+        free(CurArray);
+      CurArray = T;
+    }
     assert(CurArray && "Failed to allocate memory?");
   }