ipa/94245 - avoid folding when we want an ADDR_EXPR

Another case where build_fold_addr_expr is harmful.

2020-03-23  Richard Biener  <rguenther@suse.de>

	PR ipa/94245
	* ipa-prop.c (ipa_read_jump_function): Build the ADDR_EXRP
	directly rather than also folding it via build_fold_addr_expr.

gcc/ChangeLog

 2020-03-23  Richard Biener  <rguenther@suse.de>
 
+	PR ipa/94245
+	* ipa-prop.c (ipa_read_jump_function): Build the ADDR_EXRP
+	directly rather than also folding it via build_fold_addr_expr.
+
+2020-03-23  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/94266
 	* tree-ssa-forwprop.c (pass_forwprop::execute): Do not propagate
 	addresses of TARGET_MEM_REFs.

gcc/ipa-prop.c

@@ -4625,7 +4625,7 @@ ipa_read_jump_function (class lto_input_block *ib,
       {
 	tree t = stream_read_tree (ib, data_in);
 	if (flag && prevails)
-	  t = build_fold_addr_expr (t);
+	  t = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (t)), t);
 	ipa_set_jf_constant (jump_func, t, cs);
       }
       break;