fix corner cases with template literals (#4903)

fixes #4902

lib/output.js

@@ -709,6 +709,8 @@ function OutputStream(options) {
         // (x++)[y]
         // (typeof x).y
         if (p instanceof AST_PropAccess) return p.expression === this;
+        // (~x)`foo`
+        if (p instanceof AST_Template) return p.tag === this;
     }
     PARENS(AST_Await, needs_parens_unary);
     PARENS(AST_Unary, needs_parens_unary);
@@ -782,6 +784,8 @@ function OutputStream(options) {
         if (p instanceof AST_Class) return true;
         // (foo && bar)["prop"], (foo && bar).prop
         if (p instanceof AST_PropAccess) return p.expression === this;
+        // (foo && bar)``
+        if (p instanceof AST_Template) return p.tag === this;
         // typeof (foo && bar)
         if (p instanceof AST_Unary) return true;
     });