* common.opt (initial_max_fld_align, flag_debug_asm,

[pf3gnuchains/gcc-fork.git] / gcc / c-decl.c

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index e1f1402..bab402d 100644 (file)
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -3634,7 +3634,8 @@ shadow_tag_warned (const struct c_declspecs *declspecs, int warned)
                  warned = 1;
                }
            }
-         else if (!declspecs->tag_defined_p
+         else if (declspecs->typespec_kind != ctsk_tagdef
+                   && declspecs->typespec_kind != ctsk_tagfirstref
                   && declspecs->storage_class != csc_none)
            {
              if (warned != 1)
@@ -3644,7 +3645,8 @@ shadow_tag_warned (const struct c_declspecs *declspecs, int warned)
              warned = 1;
              pending_xref_error ();
            }
-         else if (!declspecs->tag_defined_p
+         else if (declspecs->typespec_kind != ctsk_tagdef
+                   && declspecs->typespec_kind != ctsk_tagfirstref
                   && (declspecs->const_p
                       || declspecs->volatile_p
                       || declspecs->restrict_p
@@ -4580,7 +4582,9 @@ build_compound_literal (location_t loc, tree type, tree init, bool non_const)
 void
 check_compound_literal_type (location_t loc, struct c_type_name *type_name)
 {
-  if (warn_cxx_compat && type_name->specs->tag_defined_p)
+  if (warn_cxx_compat
+      && (type_name->specs->typespec_kind == ctsk_tagdef
+          || type_name->specs->typespec_kind == ctsk_tagfirstref))
     warning_at (loc, OPT_Wc___compat,
                "defining a type in a compound literal is invalid in C++");
 }
@@ -8616,10 +8620,9 @@ build_null_declspecs (void)
   ret->storage_class = csc_none;
   ret->expr_const_operands = true;
   ret->declspecs_seen_p = false;
-  ret->type_seen_p = false;
+  ret->typespec_kind = ctsk_none;
   ret->non_sc_seen_p = false;
   ret->typedef_p = false;
-  ret->tag_defined_p = false;
   ret->explicit_signed_p = false;
   ret->deprecated_p = false;
   ret->default_int_p = false;
@@ -8703,7 +8706,7 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
   tree type = spec.spec;
   specs->non_sc_seen_p = true;
   specs->declspecs_seen_p = true;
-  specs->type_seen_p = true;
+  specs->typespec_kind = spec.kind;
   if (TREE_DEPRECATED (type))
     specs->deprecated_p = true;
 
@@ -9306,8 +9309,6 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
     }
   else if (TREE_CODE (type) != ERROR_MARK)
     {
-      if (spec.kind == ctsk_tagdef || spec.kind == ctsk_tagfirstref)
-       specs->tag_defined_p = true;
       if (spec.kind == ctsk_typeof)
        {
          specs->typedef_p = true;
@@ -9323,6 +9324,11 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
        }
       specs->type = type;
     }
+  else
+    {
+      /* Set a dummy type here to avoid warning about implicit 'int'.  */
+      specs->type = integer_type_node;
+    }
 
   return specs;
 }