pragma-override1.C: Mark as requiring 'internal' visibility.

	* g++.dg/ext/visibility/pragma-override1.C: Mark as requiring
	'internal' visibility.
	* g++.dg/ext/visibility/pragma-override2.C: Likewise.
	* g++.dg/ext/visibility/visibility-7.C: Mark as requiring
	'protected' visibility.
	* gcc.dg/visibility-7.c: Likewise.
	* lib/target-supports.exp (check_visibility_available): Take
	a parameter, the kind of visibility to check for.
	* lib/target-supports-dg.exp (dg-require-visibility): Pass parameter
	to check_visibility_available.

From-SVN: r97031

gcc/testsuite/ChangeLog

@@ -4,6 +4,17 @@
 
 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
 
+	* g++.dg/ext/visibility/pragma-override1.C: Mark as requiring
+	'internal' visibility.
+	* g++.dg/ext/visibility/pragma-override2.C: Likewise.
+	* g++.dg/ext/visibility/visibility-7.C: Mark as requiring
+	'protected' visibility.
+	* gcc.dg/visibility-7.c: Likewise.
+	* lib/target-supports.exp (check_visibility_available): Take
+	a parameter, the kind of visibility to check for.
+	* lib/target-supports-dg.exp (dg-require-visibility): Pass parameter
+	to check_visibility_available.
+
 	* g++.dg/expr/cast3.C: New.
 
 2005-03-24  David Edelsohn  <edelsohn@gnu.org>

gcc/testsuite/g++.dg/ext/visibility/pragma-override1.C

 /* Test that #pragma GCC visibility does not override class member specific settings. */
 /* { dg-do compile } */
-/* { dg-require-visibility "" } */
+/* { dg-require-visibility "internal" } */
 /* { dg-final { scan-assembler "\\.internal.*Foo.methodEv" } } */
 
 #pragma GCC visibility push(hidden)

gcc/testsuite/g++.dg/ext/visibility/pragma-override2.C

 /* Test that #pragma GCC visibility does not override class member specific settings. */
 /* { dg-do compile } */
-/* { dg-require-visibility "" } */
+/* { dg-require-visibility "internal" } */
 /* { dg-final { scan-assembler "\\.internal.*Foo.methodEv" } } */
 
 #pragma GCC visibility push(hidden)

gcc/testsuite/g++.dg/ext/visibility/visibility-7.C

 /* Test warning from conflicting visibility specifications. */
-/* { dg-require-visibility "" } */
+/* { dg-require-visibility "protected" } */
 /* { dg-final { scan-hidden "xyzzy" } } */
 
 extern int 

gcc/testsuite/gcc.dg/visibility-7.c

 /* Test warning from conflicting visibility specifications. */
 /* { dg-do compile } */
-/* { dg-require-visibility "" } */
+/* { dg-require-visibility "protected" } */
 /* { dg-final { scan-hidden "xyzzy" } } */
 
 extern int 

gcc/testsuite/lib/target-supports-dg.exp

@@ -32,7 +32,7 @@ proc dg-require-weak { args } {
 # test.
 
 proc dg-require-visibility { args } {
-    set visibility_available [ check_visibility_available ]
+    set visibility_available [ check_visibility_available [lindex $args 1 ] ]
     if { $visibility_available == -1 } {
 	upvar name name
 	unresolved "$name"

gcc/testsuite/lib/target-supports.exp

@@ -110,13 +110,14 @@ proc check_weak_available { } {
 }
 
 ###############################
-# proc check_visibility_available { }
+# proc check_visibility_available { what_kind }
 ###############################
 
 # The visibility attribute is only support in some object formats
 # This proc returns 1 if it is supported, 0 if not.
+# The argument is the kind of visibility, default/protected/hidden/internal.
 
-proc check_visibility_available { } {
+proc check_visibility_available { what_kind } {
     global visibility_available_saved
     global tool
     global target_triplet
@@ -126,18 +127,29 @@ proc check_visibility_available { } {
         return 0
     }
 
-    if {![info exists visibility_available_saved] } {
-	set lines [get_compiler_messages visibility object {
-	    void f() __attribute__((visibility("hidden")));
+    if [string match "" $what_kind] { set what_kind "hidden" }
+
+    if { [info exists visibility_available_saved] } {
+	verbose "Saved result is <$visibility_available_saved>" 1
+	if { [ lsearch -exact $visibility_available_saved $what_kind ] != -1 } {
+	    return 1
+	} elseif { [ lsearch -exact $visibility_available_saved "!$what_kind" ] != -1 } {
+	    return 0
+	}
+    }
+
+    set lines [get_compiler_messages visibility object "
+	void f() __attribute__((visibility(\"$what_kind\")));
 	void f() {}
-	}]
+    "]
     if [string match "" $lines] then {
-	    set visibility_available_saved 1
+	set answer 1
+	lappend visibility_available_saved $what_kind
     } else {
-	    set visibility_available_saved 0
-	}
+	set answer 0
+	lappend visibility_available_saved "!$what_kind"
     }
-    return $visibility_available_saved
+    return $answer
 }
 
 ###############################