re PR tree-optimization/89489 (ICE in gimple_duplicate_bb, at tree-cfg.c:6257)

2019-02-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89489
	* tree-parloops.c (create_loop_fn): Copy over last_clique.

From-SVN: r269210

gcc/ChangeLog

+2019-02-26  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/89489
+	* tree-parloops.c (create_loop_fn): Copy over last_clique.
+
 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix

gcc/tree-parloops.c

@@ -1498,6 +1498,7 @@ create_loop_fn (location_t loc)
   DECL_ARGUMENTS (decl) = t;
 
   allocate_struct_function (decl, false);
+  DECL_STRUCT_FUNCTION (decl)->last_clique = act_cfun->last_clique;
 
   /* The call to allocate_struct_function clobbers CFUN, so we need to restore
      it.  */