Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -1493,7 +1493,8 @@
       return TT_UnaryOperator;
 
     if (PrevToken->isOneOf(TT_CastRParen, TT_UnaryOperator) &&
-        !PrevToken->is(tok::exclaim))
+        !(PrevToken->is(tok::exclaim) &&
+          Style.Language == FormatStyle::LK_JavaScript))
       // There aren't any trailing unary operators except for TypeScript's
       // non-null operator (!). Thus, this must be squence of leading operators.
       return TT_UnaryOperator;
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -5655,6 +5655,8 @@
   verifyFormat("(a->f())++;");
   verifyFormat("a[42]++;");
   verifyFormat("if (!(a->f())) {\n}");
+  verifyFormat("if (!+i) {\n}");
+  verifyFormat("~&a;");
 
   verifyFormat("a-- > b;");
   verifyFormat("b ? -a : c;");