[libcxx] [test] Fix comment typos, strip trailing whitespace.

No functional change, no code review.

llvm-svn: 292434
diff --git a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.append.pass.cpp b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.append.pass.cpp
index f344e11..a6172d1 100644
--- a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.append.pass.cpp
+++ b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.append.pass.cpp
@@ -131,7 +131,7 @@
     assert(LHS == E);
   }
   // input iterator - For non-native char types, appends needs to copy the
-  // iterator range into a contigious block of memory before it can perform the
+  // iterator range into a contiguous block of memory before it can perform the
   // code_cvt conversions.
   // For "char" no allocations will be performed because no conversion is
   // required.
diff --git a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.assign/source.pass.cpp b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.assign/source.pass.cpp
index 987c873..8c31ef5 100644
--- a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.assign/source.pass.cpp
+++ b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.assign/source.pass.cpp
@@ -50,7 +50,7 @@
     const std::basic_string<CharT> S(TestPath);
     path p; PathReserve(p, S.length() + 1);
     {
-      // string provides a contigious iterator. No allocation needed.
+      // string provides a contiguous iterator. No allocation needed.
       DisableAllocationGuard g;
       path& pref = (p = S);
       assert(&pref == &p);
@@ -76,7 +76,7 @@
     const std::basic_string_view<CharT> S(TestPath);
     path p; PathReserve(p, S.length() + 1);
     {
-      // string provides a contigious iterator. No allocation needed.
+      // string provides a contiguous iterator. No allocation needed.
       DisableAllocationGuard g;
       path& pref = (p = S);
       assert(&pref == &p);
@@ -102,7 +102,7 @@
   {
     path p; PathReserve(p, Size + 1);
     {
-      // char* pointers are contigious and can be used with code_cvt directly.
+      // char* pointers are contiguous and can be used with code_cvt directly.
       // no allocations needed.
       DisableAllocationGuard g;
       path& pref = (p = TestPath);
diff --git a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp
index 8926936..76df0e9 100644
--- a/libcxx/test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp
+++ b/libcxx/test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp
@@ -132,7 +132,7 @@
     assert(LHS == E);
   }
   // input iterator - For non-native char types, appends needs to copy the
-  // iterator range into a contigious block of memory before it can perform the
+  // iterator range into a contiguous block of memory before it can perform the
   // code_cvt conversions.
   // For "char" no allocations will be performed because no conversion is
   // required.
diff --git a/libcxx/test/std/experimental/filesystem/class.path/synop.pass.cpp b/libcxx/test/std/experimental/filesystem/class.path/synop.pass.cpp
index b0a7b5c..883feb2 100644
--- a/libcxx/test/std/experimental/filesystem/class.path/synop.pass.cpp
+++ b/libcxx/test/std/experimental/filesystem/class.path/synop.pass.cpp
@@ -32,7 +32,7 @@
   {
     ASSERT_SAME_TYPE(const path::value_type, decltype(path::preferred_separator));
     static_assert(path::preferred_separator == '/', "");
-    // Make preferred_separator ODR used by taking it's address.
+    // Make preferred_separator ODR used by taking its address.
     const char* dummy = &path::preferred_separator;
     ((void)dummy);
   }