diff --git a/compiler-rt/lib/fuzzer/FuzzerCommand.h b/compiler-rt/lib/fuzzer/FuzzerCommand.h
--- a/compiler-rt/lib/fuzzer/FuzzerCommand.h
+++ b/compiler-rt/lib/fuzzer/FuzzerCommand.h
@@ -41,9 +41,11 @@
         OutputFile(Other.OutputFile) {}
 
   Command &operator=(const Command &Other) {
-    Args = Other.Args;
-    CombinedOutAndErr = Other.CombinedOutAndErr;
-    OutputFile = Other.OutputFile;
+    if (&Other != this) {
+      Args = Other.Args;
+      CombinedOutAndErr = Other.CombinedOutAndErr;
+      OutputFile = Other.OutputFile;
+    }
     return *this;
   }