PR c/24329

	* c-pretty-print.c (pp_c_type_specifier): Do not recurse if
	c_common_type_for_mode returns an unnamed type.

testsuite:
	* gcc.dg/format/unnamed-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106421 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 24 insertions, 3 deletions

diff --git a/gcc/c-pretty-print.c b/gcc/c-pretty-print.c
index bbc19be9fd4..5e67a96cf4e 100644
--- a/gcc/c-pretty-print.c
+++ b/gcc/c-pretty-print.c
@@ -323,11 +323,32 @@ pp_c_type_specifier (c_pretty_printer *pp, tree t)
 	{
 	  int prec = TYPE_PRECISION (t);
 	  t = c_common_type_for_mode (TYPE_MODE (t), TYPE_UNSIGNED (t));
-	  pp_c_type_specifier (pp, t);
-	  if (TYPE_PRECISION (t) != prec)
+	  if (TYPE_NAME (t))
+	    {
+	      pp_c_type_specifier (pp, t);
+	      if (TYPE_PRECISION (t) != prec)
+		{
+		  pp_string (pp, ":");
+		  pp_decimal_int (pp, prec);
+		}
+	    }
+	  else
 	    {
-	      pp_string (pp, ":");
+	      switch (code)
+		{
+		case INTEGER_TYPE:
+		  pp_string (pp, (TYPE_UNSIGNED (t)
+				  ? "<unnamed-unsigned:"
+				  : "<unnamed-signed:"));
+		  break;
+		case REAL_TYPE:
+		  pp_string (pp, "<unnamed-float:");
+		  break;
+		default:
+		  gcc_unreachable ();
+		}
 	      pp_decimal_int (pp, prec);
+	      pp_string (pp, ">");
 	    }
 	}
       break;