Ticket #7750: indirect_streambuf.hpp.patch

indirect_streambuf.hpp

@@ -17 +17 @@
 #include <cassert>
 #include <exception>
 #include <typeinfo>
+#include <cxxabi-forced.h>
 #include <boost/config.hpp>                      // Member template friends.
 #include <boost/detail/workaround.hpp>
 #include <boost/iostreams/constants.hpp>
@@ -314 +315 @@
         sync_impl();
         obj().flush(next_);
         return 0;
+    } catch (__cxxabiv1::__forced_unwind&) {
+        __throw_exception_again;
     } catch (...) { return -1; }
 }
 
@@ -323 +326 @@
     try { // sync() is no-throw.
         sync_impl();
         return obj().flush(next_);
+    } catch (__cxxabiv1::__forced_unwind&) {
+        __throw_exception_again;
     } catch (...) { return false; }
 }