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From: "d.v.a at ngs dot ru" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/60936] [4.9/5/6 Regression] Binary code bloat with std::string
Date: Wed, 15 Apr 2015 13:41:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60936

--- Comment #9 from __vic <d.v.a at ngs dot ru> ---
For 4.9 this change was enough for me:

--- libstdc++-v3/src/c++11/functexcept.cc    2014-01-03 02:30:10.000000000
+0400
+++ libstdc++-v3/src/c++11/functexcept.cc    2014-11-06 18:40:20.000000000
+0300
@@ -89,6 +89,7 @@
   void
   __throw_out_of_range_fmt(const char* __fmt, ...)
   {
+    __throw_out_of_range(__fmt);/*
     const size_t __len = __builtin_strlen(__fmt);
     // We expect at most 2 numbers, and 1 short string. The additional
     // 512 bytes should provide more than enough space for expansion.
@@ -100,6 +101,7 @@
     __gnu_cxx::__snprintf_lite(__s, __alloca_size, __fmt, __ap);
     _GLIBCXX_THROW_OR_ABORT(out_of_range(_(__s)));
     va_end(__ap);  // Not reached.
+*/
   }

   void

But now it doesn't solve the problem.