diff --git a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h
--- a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h
+++ b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/CallDescription.h
@@ -141,6 +141,9 @@
   CallDescriptionMap(const CallDescriptionMap &) = delete;
   CallDescriptionMap &operator=(const CallDescription &) = delete;
 
+  CallDescriptionMap(CallDescriptionMap &&) = default;
+  CallDescriptionMap &operator=(CallDescriptionMap &&) = default;
+
   LLVM_NODISCARD const T *lookup(const CallEvent &Call) const {
     // Slow path: linear lookup.
     // TODO: Implement some sort of fast path.
diff --git a/clang/unittests/StaticAnalyzer/CallDescriptionTest.cpp b/clang/unittests/StaticAnalyzer/CallDescriptionTest.cpp
--- a/clang/unittests/StaticAnalyzer/CallDescriptionTest.cpp
+++ b/clang/unittests/StaticAnalyzer/CallDescriptionTest.cpp
@@ -19,6 +19,10 @@
 namespace ento {
 namespace {
 
+static_assert(std::is_move_constructible<CallDescriptionMap<bool>>() &&
+                  std::is_move_assignable<CallDescriptionMap<bool>>(),
+              "CallDescriptionMap should support move semantics");
+
 // A wrapper around CallDescriptionMap<bool> that allows verifying that
 // all functions have been found. This is needed because CallDescriptionMap
 // isn't supposed to support iteration.