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-rw-r--r--libstdc++-v3/ChangeLog4
-rw-r--r--libstdc++-v3/src/c++11/ios.cc4
2 files changed, 4 insertions, 4 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9c82645..b38be43 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2018-04-12 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++11/ios.cc: Remove redundant macro definition.
+
2018-04-11 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Document header locations in recent
diff --git a/libstdc++-v3/src/c++11/ios.cc b/libstdc++-v3/src/c++11/ios.cc
index e928c59..82063e4 100644
--- a/libstdc++-v3/src/c++11/ios.cc
+++ b/libstdc++-v3/src/c++11/ios.cc
@@ -26,10 +26,6 @@
// ISO C++ 14882: 27.4 Iostreams base classes
//
-// Determines the version of ios_base::failure thrown by __throw_ios_failure.
-// If !_GLIBCXX_USE_DUAL_ABI this will get undefined automatically.
-#define _GLIBCXX_USE_CXX11_ABI 1
-
#include <ios>
#include <limits>