From: Daniel Kraft <d@domob.eu>
Date: Sat, 12 Jul 2008 11:26:50 +0000 (+0200)
Subject: [multiple changes]
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4b1566319b3955251557f90d37ead3332f516b75;p=gcc.git

[multiple changes]

2008-07-12  Daniel Kraft  <d@domob.eu>

	* resolve.c (resolve_fl_derived):  Allow pointer components to empty
	derived types fixing a missing part of PR fortran/33221.

2008-06-22  Daniel Kraft  <d@domob.eu>

	* gfortran.dg/used_types_21.f90:  New test.

From-SVN: r137737
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index d8c31145d98..d79a72e73ec 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2008-07-12  Daniel Kraft  <d@domob.eu>
+
+	* resolve.c (resolve_fl_derived):  Allow pointer components to empty
+	derived types fixing a missing part of PR fortran/33221.
+
 2008-07-10  Daniel Kraft  <d@domob.eu>
 
 	* gfc-internals.texi (section gfc_expr):  Created documentation about
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index c0ec7847747..273f2ae746b 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -7657,7 +7657,8 @@ resolve_fl_derived (gfc_symbol *sym)
 	}
 
       if (c->ts.type == BT_DERIVED && c->pointer
-	  && c->ts.derived->components == NULL)
+	  && c->ts.derived->components == NULL
+	  && !c->ts.derived->attr.zero_comp)
 	{
 	  gfc_error ("The pointer component '%s' of '%s' at %L is a type "
 		     "that has not been declared", c->name, sym->name,
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c246c5f6aec..0b1bc977718 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2008-06-22  Daniel Kraft  <d@domob.eu>
+
+	* gfortran.dg/used_types_21.f90:  New test.
+
 2008-07-11  Ian Lance Taylor  <iant@google.com>
 
 	* gcc.dg/Wcxx-compat-2.c: New test.
diff --git a/gcc/testsuite/gfortran.dg/used_types_21.f90 b/gcc/testsuite/gfortran.dg/used_types_21.f90
new file mode 100644
index 00000000000..04b109f139a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/used_types_21.f90
@@ -0,0 +1,11 @@
+! { dg-do compile }
+! Check that pointer components are allowed to empty types.
+
+TYPE :: empty_t
+END TYPE empty_t
+
+TYPE :: comp_t
+  TYPE(empty_t), POINTER :: ptr
+END TYPE comp_t
+
+END