Whitespace maintenance. Remove a bunch of tabs that snuck in. No functionality change

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@220142 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp

@@ -103,13 +103,13 @@ struct Foo { int x; };
 
 int main()
 {
-	test_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
-	test_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
-	test_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();
+    test_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
+    test_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
+    test_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();
 
-	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
-	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
-	test_void_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();	
+    test_void_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
+    test_void_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
+    test_void_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();   
 }
 #else
 int main() {}

test/utilities/function.objects/refwrap/refwrap.helpers/ref_2.pass.cpp

@@ -35,9 +35,9 @@ int main()
     unary_counting_predicate<bool(*)(int), int> cp(is5);
     assert(!cp(6));
     assert(cp.count() == 1);
-	assert(call_pred(cp));
+    assert(call_pred(cp));
     assert(cp.count() == 1);
-	assert(call_pred(std::ref(cp)));
+    assert(call_pred(std::ref(cp)));
     assert(cp.count() == 2);
-	}
+    }
 }

test/utilities/memory/default.allocator/allocator_pointers.pass.cpp

@@ -103,13 +103,13 @@ struct Foo { int x; };
 
 int main()
 {
-	test_pointer<std::allocator<char>> ();
-	test_pointer<std::allocator<int>> ();
-	test_pointer<std::allocator<Foo>> ();	
+    test_pointer<std::allocator<char>> ();
+    test_pointer<std::allocator<int>> ();
+    test_pointer<std::allocator<Foo>> ();   
 
-	test_void_pointer<std::allocator<char>> ();
-	test_void_pointer<std::allocator<int>> ();
-	test_void_pointer<std::allocator<Foo>> ();	
+    test_void_pointer<std::allocator<char>> ();
+    test_void_pointer<std::allocator<int>> ();
+    test_void_pointer<std::allocator<Foo>> ();  
 }
 #else
 int main() {}

test/utilities/meta/meta.unary.prop.query/alignment_of.pass.cpp

@@ -39,7 +39,7 @@ int main()
     test_alignment_of<int, 4>();
     test_alignment_of<double, 8>();
 #if (defined(__ppc__) && !defined(__ppc64__))
-    test_alignment_of<bool, 4>();	// 32-bit PPC has four byte bool
+    test_alignment_of<bool, 4>();   // 32-bit PPC has four byte bool
 #else
     test_alignment_of<bool, 1>();
 #endif

test/utilities/meta/meta.unary/meta.unary.cat/nullptr.pass.cpp

@@ -10,7 +10,7 @@
 // type_traits
 
 // nullptr_t
-//	is_null_pointer
+//  is_null_pointer
 
 #include <type_traits>
 

test/utilities/optional/optional.hash/hash.pass.cpp

@@ -20,7 +20,7 @@
 int main()
 {
 #if _LIBCPP_STD_VER > 11
-	using std::experimental::optional;
+    using std::experimental::optional;
 
     {
         typedef int T;

test/utilities/optional/optional.nullops/eqaul.pass.cpp

@@ -18,9 +18,9 @@
 int main()
 {
 #if _LIBCPP_STD_VER > 11
-	using std::experimental::optional;
-	using std::experimental::nullopt_t;
-	using std::experimental::nullopt;
+    using std::experimental::optional;
+    using std::experimental::nullopt_t;
+    using std::experimental::nullopt;
     
     {
     typedef int T;

test/utilities/optional/optional.nullops/less_than.pass.cpp

@@ -18,9 +18,9 @@
 int main()
 {
 #if _LIBCPP_STD_VER > 11
-	using std::experimental::optional;
-	using std::experimental::nullopt_t;
-	using std::experimental::nullopt;
+    using std::experimental::optional;
+    using std::experimental::nullopt_t;
+    using std::experimental::nullopt;
 
     {
     typedef int T;

test/utilities/optional/optional.object/optional_const_void.fail.cpp

@@ -16,7 +16,7 @@
 int main()
 {
 #if _LIBCPP_STD_VER > 11
-	using std::experimental::optional;
+    using std::experimental::optional;
 
     optional<const void> opt;
 #else