Move/update recent FIXME (wrt UTF-8 checking for ObjC @-strings).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 1802b6e..d2aec65 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -159,6 +159,11 @@
 
 /// CheckObjCString - Checks that the argument to the builtin
 /// CFString constructor is correct
+/// FIXME: GCC currently emits the following warning:
+/// "warning: input conversion stopped due to an input byte that does not 
+///           belong to the input codeset UTF-8"
+/// Note: It might also make sense to do the UTF-16 conversion here (would
+/// simplify the backend).
 bool Sema::CheckObjCString(Expr *Arg) {
   Arg = Arg->IgnoreParenCasts();
   StringLiteral *Literal = dyn_cast<StringLiteral>(Arg);