re PR c/56980 (C pretty-printer does not handle well pointer to typedef of struct)

	PR c/56980
	* c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't
	print "struct"/"union"/"enum" for typedefed names.

	* gcc.dg/pr56980.c: New test.

From-SVN: r216674

gcc/c-family/ChangeLog

+2014-10-24  Marek Polacek  <polacek@redhat.com>
+
+	PR c/56980
+	* c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't
+	print "struct"/"union"/"enum" for typedefed names.
+
 2014-10-23  Marek Polacek  <polacek@redhat.com>
 
 	* c-ubsan.c (ubsan_instrument_shift): Perform the MINUS_EXPR

gcc/c-family/c-pretty-print.c

@@ -416,7 +416,9 @@ c_pretty_printer::simple_type_specifier (tree t)
     case UNION_TYPE:
     case RECORD_TYPE:
     case ENUMERAL_TYPE:
-      if (code == UNION_TYPE)
+      if (TYPE_NAME (t) && TREE_CODE (TYPE_NAME (t)) == TYPE_DECL)
+	/* Don't decorate the type if this is a typedef name.  */;
+      else if (code == UNION_TYPE)
 	pp_c_ws_string (this, "union");
       else if (code == RECORD_TYPE)
 	pp_c_ws_string (this, "struct");

gcc/testsuite/ChangeLog

+2014-10-24  Marek Polacek  <polacek@redhat.com>
+
+	PR c/56980
+	* gcc.dg/pr56980.c: New test.
+
 2014-10-24  Jiong Wang  <jiong.wang@arm.com>
 
 	* lib/target-supports.exp

gcc/testsuite/gcc.dg/pr56980.c

+/* PR c/56980 */
+/* { dg-do compile } */
+
+typedef struct A { int i; } B;
+typedef union U { int i; } V;
+typedef enum E { G } F;
+
+void foo_s (struct A); /* { dg-message "expected .struct A. but argument is of type .B \\*." } */
+void foo_u (union U); /* { dg-message "expected .union U. but argument is of type .V \\*." } */
+void foo_e (enum E); /* { dg-message "expected .enum E. but argument is of type .F \\*." } */
+void foo_sp (B *); /* { dg-message "expected .B \\*. but argument is of type .struct B \\*." } */
+void foo_up (V *); /* { dg-message "expected .V \\*. but argument is of type .union V \\*." } */
+void foo_ep (F *); /* { dg-message "expected .F \\*. but argument is of type .enum F \\*." } */
+
+void 
+bar (B *b, V *v, F *f)
+{
+  foo_s (b); /* { dg-error "incompatible" } */
+  foo_u (v); /* { dg-error "incompatible" } */
+  foo_e (f); /* { dg-error "incompatible" } */
+  foo_sp ((struct B *) b); /* { dg-error "passing argument" } */
+  foo_up ((union V *) v); /* { dg-error "passing argument" } */
+  foo_ep (__extension__ (enum F *) f); /* { dg-error "passing argument" } */
+}