re PR ada/78524 (failure of ACATS c41104a at -O0)

	PR ada/78524
	* gcc-interface/utils.c (max_size) <tcc_reference>: Add missing
	conversion to original type in the PLACEHOLDER_EXPR case.

From-SVN: r242902

gcc/ada/ChangeLog

 2016-11-27  Eric Botcazou  <ebotcazou@adacore.com>
 
+	PR ada/78524
+	* gcc-interface/utils.c (max_size) <tcc_reference>: Add missing
+	conversion to original type in the PLACEHOLDER_EXPR case.
+
+2016-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
 	PR ada/78531
 	* namet.h (Max_Line_Length): Define.
 	(struct Bounded_String): Declare Chars with exact size.

gcc/ada/gcc-interface/utils.c

@@ -3548,7 +3548,9 @@ max_size (tree exp, bool max_p)
 	{
 	  tree val_type = TREE_TYPE (TREE_OPERAND (exp, 1));
 	  tree val = (max_p ? TYPE_MAX_VALUE (type) : TYPE_MIN_VALUE (type));
-	  return max_size (convert (get_base_type (val_type), val), true);
+	  return
+	    convert (type,
+		     max_size (convert (get_base_type (val_type), val), true));
 	}
 
       return exp;