libstdc++: [_GLIBCXX_INLINE_VERSION] Provide handle_contract_violation symbol

libstdc++-v3/ChangeLog:

	* src/experimental/contract.cc
	[_GLIBCXX_INLINE_VERSION](handle_contract_violation): Provide symbol
	without version namespace decoration for gcc.

diff --git a/libstdc++-v3/src/experimental/contract.cc b/libstdc++-v3/src/experimental/contract.cc
index 504a6c041f17ff6e243d49d96e90178ceec61b21..39ad4bd7d07503bb7f1e2577c3384c87edd7d49d 100644 (file)
--- a/libstdc++-v3/src/experimental/contract.cc
+++ b/libstdc++-v3/src/experimental/contract.cc
@@ -67,3 +67,12 @@ handle_contract_violation (const std::experimental::contract_violation &violatio
   std::cerr << std::endl;
 #endif
 }
+
+#if _GLIBCXX_INLINE_VERSION
+// The compiler expects the contract_violation class to be in an unversioned
+// namespace, so provide a forwarding function with the expected symbol name.
+extern "C" void
+_Z25handle_contract_violationRKNSt12experimental18contract_violationE
+(const std::experimental::contract_violation &violation)
+{ handle_contract_violation(violation); }
+#endif