function.c (assign_parm_setup_block): Use the stored size...

	* function.c (assign_parm_setup_block): Use the stored
	size, not the passed size, when allocating stack-space,
	also for a parameter with alignment larger than
	MAX_SUPPORTED_STACK_ALIGNMENT.

From-SVN: r268763

gcc/ChangeLog

+2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
+
+	* function.c (assign_parm_setup_block): Use the stored
+	size, not the passed size, when allocating stack-space,
+	also for a parameter with alignment larger than
+	MAX_SUPPORTED_STACK_ALIGNMENT.
+
 2019-02-11  Martin Liska  <mliska@suse.cz>
 
 	PR ipa/89009

gcc/function.c

@@ -2915,7 +2915,7 @@ assign_parm_setup_block (struct assign_parm_data_all *all,
       SET_DECL_ALIGN (parm, MAX (DECL_ALIGN (parm), BITS_PER_WORD));
       if (DECL_ALIGN (parm) > MAX_SUPPORTED_STACK_ALIGNMENT)
 	{
-	  rtx allocsize = gen_int_mode (size, Pmode);
+	  rtx allocsize = gen_int_mode (size_stored, Pmode);
 	  get_dynamic_stack_size (&allocsize, 0, DECL_ALIGN (parm), NULL);
 	  stack_parm = assign_stack_local (BLKmode, UINTVAL (allocsize),
 					   MAX_SUPPORTED_STACK_ALIGNMENT);