libstdc++: Fix description of std::ios::trunc (PR 92886)

Backport from mainline
2019-12-10  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/92886
	* include/bits/ios_base.h (std::ios_base::trunc): Fix comment.

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9f563dde6654e0a0bc30ba77293291d1b3b0b511..cf6c95267e3e7483b5460d4e197bd6682851a75a 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,11 @@
 2020-02-26  Jonathan Wakely  <jwakely@redhat.com>
 
+       Backport from mainline
+       2019-12-10  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/92886
+       * include/bits/ios_base.h (std::ios_base::trunc): Fix comment.
+
        Backport from mainline
        2020-01-28  Jonathan Wakely  <jwakely@redhat.com>
 

diff --git a/libstdc++-v3/include/bits/ios_base.h b/libstdc++-v3/include/bits/ios_base.h
index 06a3e0870f3e52ad4e7d22d09523fe74f74c5ae9..be908b3ffd2770e43bbb81da973e908d458b3066 100644 (file)
--- a/libstdc++-v3/include/bits/ios_base.h
+++ b/libstdc++-v3/include/bits/ios_base.h
@@ -445,7 +445,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     /// Open for output.  Default for @c ofstream and fstream.
     static const openmode out =                _S_out;
 
-    /// Open for input.  Default for @c ofstream.
+    /// Truncate an existing stream when opening.  Default for @c ofstream.
     static const openmode trunc =      _S_trunc;
 
     // 27.4.2.1.5  Type ios_base::seekdir