Correct a function pre/postcondition [PR102403].

[thirdparty/gcc.git] / gcc / cppdefault.h

diff --git a/gcc/cppdefault.h b/gcc/cppdefault.h
index c98644f3e5a18b2f31e3b15d0a04283f7b7cc308..fd3c655db1c6b2a0a3655164054803ce1b2eb8bc 100644 (file)
--- a/gcc/cppdefault.h
+++ b/gcc/cppdefault.h
@@ -1,5 +1,5 @@
 /* CPP Library.
-   Copyright (C) 1986-2015 Free Software Foundation, Inc.
+   Copyright (C) 1986-2021 Free Software Foundation, Inc.
    Contributed by Per Bothner, 1994-95.
    Based on CCCP program by Paul Rubin, June 1986
    Adapted to ANSI C, Richard Stallman, Jan 1987
@@ -36,7 +36,12 @@ struct default_include
   const char *const fname;     /* The name of the directory.  */
   const char *const component; /* The component containing the directory
                                   (see update_path in prefix.c) */
-  const char cplusplus;                /* Only look here if we're compiling C++.  */
+  const char cplusplus;                /* When this is non-zero, we should only
+                                  consider this if we're compiling C++.
+                                  When the -stdlib option is configured, this
+                                  may take values greater than 1 to indicate
+                                  which C++ standard library should be
+                                  used.  */
   const char cxx_aware;                /* Includes in this directory don't need to
                                   be wrapped in extern "C" when compiling
                                   C++.  */