2016-02-11  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2016-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR c++/59627
	* parser.c (cp_parser_omp_declare_reduction): Set assembler name
	of the DECL_OMP_DECLARE_REDUCTION_P decls.

	* g++.dg/gomp/pr59627.C: New test.

--- gcc/cp/parser.c	(revision 233224)
+++ gcc/cp/parser.c	(revision 233225)
@@ -36080,6 +36080,7 @@ cp_parser_omp_declare_reduction (cp_pars
       DECL_DECLARED_INLINE_P (fndecl) = 1;
       DECL_IGNORED_P (fndecl) = 1;
       DECL_OMP_DECLARE_REDUCTION_P (fndecl) = 1;
+      SET_DECL_ASSEMBLER_NAME (fndecl, get_identifier ("<udr>"));
       DECL_ATTRIBUTES (fndecl)
 	= tree_cons (get_identifier ("gnu_inline"), NULL_TREE,
 		     DECL_ATTRIBUTES (fndecl));
--- gcc/testsuite/g++.dg/gomp/pr59627.C	(revision 0)
+++ gcc/testsuite/g++.dg/gomp/pr59627.C	(revision 233225)
@@ -0,0 +1,14 @@
+// PR c++/59627
+// { dg-do compile { target lto } }
+// { dg-options "-fopenmp -flto" }
+
+struct A { A () : i (0) {} int i; };
+
+void
+foo ()
+{
+  A a;
+  #pragma omp declare reduction (+: A: omp_out.i += omp_in.i)
+  #pragma omp parallel reduction (+: a)
+  ;
+}