Add a FIXME comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 55e620e..5767682 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1622,6 +1622,8 @@
   assert(BB->hasName() &&
          "Address of anonymous basic block not supported yet!");
 
+  // FIXME: This isn't guaranteed to produce a unique name even if the
+  // block and function have a name.
   std::string Mangled =
     Mang->getMangledName(F, Mang->makeNameProper(BB->getName()).c_str(),
                          /*ForcePrivate=*/true);