Index: clang/lib/AST/Interp/ByteCodeEmitter.cpp
===================================================================
--- clang/lib/AST/Interp/ByteCodeEmitter.cpp
+++ clang/lib/AST/Interp/ByteCodeEmitter.cpp
@@ -163,8 +163,15 @@
   }
 
   if constexpr (!std::is_pointer_v<T>) {
-    const char *Data = reinterpret_cast<const char *>(&Val);
-    Code.insert(Code.end(), Data, Data + Size);
+    if constexpr (std::is_trivially_copyable_v<T>) {
+      const char *Data = reinterpret_cast<const char *>(&Val);
+      Code.insert(Code.end(), Data, Data + Size);
+    } else {
+      // Construct the value directly into our storage vector.
+      size_t ValPos = Code.size();
+      Code.resize(Code.size() + Size);
+      new (Code.data() + ValPos) T(Val);
+    }
   } else {
     uint32_t ID = P.getOrCreateNativePointer(Val);
     const char *Data = reinterpret_cast<const char *>(&ID);