Index: include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- include/clang/Basic/DiagnosticSemaKinds.td
+++ include/clang/Basic/DiagnosticSemaKinds.td
@@ -5639,21 +5639,21 @@
   "remove constant to silence this warning">;
 
 def warn_bitwise_op_in_bitwise_op : Warning<
-  "'%0' within '%1'">, InGroup<BitwiseOpParentheses>;
+  "'%0' within '%1'">, InGroup<BitwiseOpParentheses>, DefaultIgnore;
 
 def warn_logical_and_in_logical_or : Warning<
-  "'&&' within '||'">, InGroup<LogicalOpParentheses>;
+  "'&&' within '||'">, InGroup<LogicalOpParentheses>, DefaultIgnore;
 
 def warn_overloaded_shift_in_comparison :Warning<
   "overloaded operator %select{>>|<<}0 has higher precedence than "
   "comparison operator">,
-  InGroup<OverloadedShiftOpParentheses>;
+  InGroup<OverloadedShiftOpParentheses>, DefaultIgnore;
 def note_evaluate_comparison_first :Note<
   "place parentheses around comparison expression to evaluate it first">;
 
 def warn_addition_in_bitshift : Warning<
   "operator '%0' has lower precedence than '%1'; "
-  "'%1' will be evaluated first">, InGroup<ShiftOpParentheses>;
+  "'%1' will be evaluated first">, InGroup<ShiftOpParentheses>, DefaultIgnore;
 
 def warn_self_assignment_builtin : Warning<
   "explicitly assigning value of variable of type %0 to itself">,
Index: test/Misc/warning-flags-enabled.c
===================================================================
--- test/Misc/warning-flags-enabled.c
+++ test/Misc/warning-flags-enabled.c
@@ -36,7 +36,7 @@
 
 // Test if -Wshift-op-parentheses is a subgroup of -Wparentheses
 // RUN: diagtool show-enabled --no-levels -Wno-parentheses -Wshift-op-parentheses %s | FileCheck --check-prefix CHECK-SHIFT-OP-PARENTHESES %s
-// RUN: diagtool show-enabled --no-levels %s | FileCheck --check-prefix CHECK-SHIFT-OP-PARENTHESES %s
+// RUN: diagtool show-enabled --no-levels %s | FileCheck --check-prefix CHECK-NO-SHIFT-OP-PARENTHESES %s
 // RUN: diagtool show-enabled --no-levels -Wno-parentheses %s | FileCheck --check-prefix CHECK-NO-SHIFT-OP-PARENTHESES %s
 //
 // CHECK-SHIFT-OP-PARENTHESES: -Wshift-op-parentheses
Index: test/Parser/cxx2a-spaceship.cpp
===================================================================
--- test/Parser/cxx2a-spaceship.cpp
+++ test/Parser/cxx2a-spaceship.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++2a -verify %s
+// RUN: %clang_cc1 -std=c++2a -verify -Wparentheses %s
 
 template<int> struct X {};
 
Index: test/SemaCXX/parentheses.cpp
===================================================================
--- test/SemaCXX/parentheses.cpp
+++ test/SemaCXX/parentheses.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -verify %s
+// RUN: %clang_cc1 -verify -Wlogical-op-parentheses %s
 
 // PR16930, PR16727:
 template<class Foo>