Fix regression of -Warray-bounds involving varargs functions [PR 11007].

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140584 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index d30620b..3397680 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3398,6 +3398,10 @@
         AllArgs.push_back(Arg.take());
       }
     }
+
+    // Check for array bounds violations.
+    for (unsigned i = ArgIx; i != NumArgs; ++i)
+      CheckArrayAccess(Args[i]);
   }
   return Invalid;
 }