re PR lto/66468 (ICE in in check_die, at dwarf2out.c:5719)

	PR debug/66468
	* dwarf2out.c (gen_inlined_subroutine_die): Check
	cgraph_function_possibly_inlined_p.

From-SVN: r226255

gcc/ChangeLog

+2015-07-27  Jason Merrill  <jason@redhat.com>
+
+	PR debug/66468
+	* dwarf2out.c (gen_inlined_subroutine_die): Check
+	cgraph_function_possibly_inlined_p.
+
 2015-07-27  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	* gcc/config/aarch64/aarch64.md (aarch64_lshr_sisd_or_int_<mode>3):

gcc/dwarf2out.c

@@ -19905,6 +19905,10 @@ gen_inlined_subroutine_die (tree stmt, dw_die_ref context_die)
 
   decl = block_ultimate_origin (stmt);
 
+  /* Make sure any inlined functions are known to be inlineable.  */
+  gcc_checking_assert (DECL_ABSTRACT_P (decl)
+		       || cgraph_function_possibly_inlined_p (decl));
+
   /* Emit info for the abstract instance first, if we haven't yet.  We
      must emit this even if the block is abstract, otherwise when we
      emit the block below (or elsewhere), we may end up trying to emit