diff --git a/clang/include/clang/Basic/Builtins.def b/clang/include/clang/Basic/Builtins.def
--- a/clang/include/clang/Basic/Builtins.def
+++ b/clang/include/clang/Basic/Builtins.def
@@ -486,7 +486,7 @@
 BUILTIN(__builtin_memcmp, "ivC*vC*z", "nF")
 BUILTIN(__builtin_memcpy, "v*v*vC*z", "nF")
 BUILTIN(__builtin_memcpy_inline, "vv*vC*Iz", "nt")
-BUILTIN(__builtin_overloaded_memcpy, "v*v*vC*z", "nt")
+BUILTIN(__builtin_overloaded_memcpy, "vv*vC*z", "nt")
 BUILTIN(__builtin_memmove, "v*v*vC*z", "nF")
 BUILTIN(__builtin_mempcpy, "v*v*vC*z", "nF")
 BUILTIN(__builtin_memset, "v*v*iz", "nF")