Update comment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192807 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 41ca24e..f905595 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2095,7 +2095,7 @@
   case AArch64::BI__builtin_neon_vuqaddd_s64:
     Int = Intrinsic::aarch64_neon_vuqadd;
     s = "vuqadd"; OverloadInt = true; break;
-  // Scalar Unsigned Saturating Accumulated of Unsigned Value
+  // Scalar Unsigned Saturating Accumulated of Signed Value
   case AArch64::BI__builtin_neon_vsqaddb_u8:
   case AArch64::BI__builtin_neon_vsqaddh_u16:
   case AArch64::BI__builtin_neon_vsqadds_u32: