Fix PR/7621

        * typeck.c (finish_class_member_access_expr): Diagnose cases where
        name lookup finds nothing.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56409 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 3c91c43..b6a8171 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2002-08-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       Fix PR/7621
+       * typeck.c (finish_class_member_access_expr): Diagnose cases where
+       name lookup finds nothing.
+
 2002-08-15  Jason Merrill  <jason@redhat.com>
 
        * semantics.c (finish_then_clause): Remove redundant assignment.

diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index de3c059..eaa79a0 100644 (file)
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -2147,7 +2147,12 @@ finish_class_member_access_expr (tree object, tree name)
          /* Look up the member.  */
          member = lookup_member (access_path, name, /*protect=*/1, 
                                  /*want_type=*/0);
-         if (member == error_mark_node)
+         if (member == NULL_TREE)
+           {
+             error ("'%D' has no member named '%E'", object_type, name);
+             return error_mark_node;
+           }
+         else if (member == error_mark_node)
            return error_mark_node;
        }
       else if (TREE_CODE (name) == BIT_NOT_EXPR)
@@ -2171,7 +2176,12 @@ finish_class_member_access_expr (tree object, tree name)
          /* An unqualified name.  */
          member = lookup_member (object_type, name, /*protect=*/1, 
                                  /*want_type=*/0);
-         if (member == error_mark_node)
+         if (member == NULL_TREE)
+           {
+             error ("'%D' has no member named '%E'", object_type, name);
+             return error_mark_node;
+           }
+         else if (member == error_mark_node)
            return error_mark_node;
        }
       else

diff --git a/gcc/testsuite/g++.dg/lookup/class-member-1.C b/gcc/testsuite/g++.dg/lookup/class-member-1.C
new file mode 100644 (file)
index 0000000..37d40b4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/class-member-1.C
@@ -0,0 +1,11 @@
+// Copyright (C) 2002 Free Software Foundation
+// Origin: PR/7621, Vaclav.Haisman@logout.sh.cvut.cz
+// Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+struct A { };
+
+int main()
+{
+  A a;
+  a.i = 9;           // { dg-error "no member" "" }
+}