Add an expected parameter for the size of the destination.
<rdar://problem/12622659>


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170392 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/Builtins.def b/include/clang/Basic/Builtins.def
index d48eadc..c905b0b 100644
--- a/include/clang/Basic/Builtins.def
+++ b/include/clang/Basic/Builtins.def
@@ -455,7 +455,7 @@
 // GCC Object size checking builtins
 BUILTIN(__builtin_object_size, "zvC*i", "n")
 BUILTIN(__builtin___memcpy_chk, "v*v*vC*zz", "nF")
-BUILTIN(__builtin___memccpy_chk, "v*v*vC*iz", "nF")
+BUILTIN(__builtin___memccpy_chk, "v*v*vC*izz", "nF")
 BUILTIN(__builtin___memmove_chk, "v*v*vC*zz", "nF")
 BUILTIN(__builtin___mempcpy_chk, "v*v*vC*zz", "nF")
 BUILTIN(__builtin___memset_chk, "v*v*izz", "nF")