[PATCH] Fix comments in libstdc++ header and test

[Jonathan Wakely]

	* include/bits/ios_base.h: Correct comment.
	* testsuite/util/testsuite_hooks.h: Likewise.

Tested powerpc64le-linux, committed to trunk.

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commit 9622234eee9d9c61dcfcc8eefa7d5aac0ee44eb4
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Mon Apr 3 16:54:40 2017 +0100

    Fix comments in libstdc++ header and test
    
    	* include/bits/ios_base.h: Correct comment.
    	* testsuite/util/testsuite_hooks.h: Likewise.

diff --git a/libstdc++-v3/include/bits/ios_base.h b/libstdc++-v3/include/bits/ios_base.h
index f1ebfcc..e5a107d 100644
--- a/libstdc++-v3/include/bits/ios_base.h
+++ b/libstdc++-v3/include/bits/ios_base.h
@@ -52,8 +52,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   // The following definitions of bitmask types are enums, not ints,
   // as permitted (but not required) in the standard, in order to provide
-  // better type safety in iostream calls.  A side effect is that
-  // expressions involving them are no longer compile-time constants.
+  // better type safety in iostream calls.  A side effect is that in C++98
+  // expressions involving them are not compile-time constants.
   enum _Ios_Fmtflags 
     { 
       _S_boolalpha 	= 1L << 0,
diff --git a/libstdc++-v3/testsuite/util/testsuite_hooks.h b/libstdc++-v3/testsuite/util/testsuite_hooks.h
index 6f064a4..c3b902b 100644
--- a/libstdc++-v3/testsuite/util/testsuite_hooks.h
+++ b/libstdc++-v3/testsuite/util/testsuite_hooks.h
@@ -247,8 +247,8 @@ namespace __gnu_test
     static unsigned int _M_count;
   };
 
-  // An class of objects that can be used for validating various
-  // behaviours and guarantees of containers and algorithms defined in
+  // A class of objects that can be used for validating various
+  // behaviors and guarantees of containers and algorithms defined in
   // the standard library.
   class copy_tracker
   {