* ld-elfvsb/main.c: Ensure visibility_def and visibility_func are

actually referenced (gcc 3.4 eliminates comparisons of addresses
  of global symbols with NULL).
* ld-selective/selective.exp: Suppress -fvtable-gc tests for gcc
  3.4.0 and above, as this option and its functionality is no longer
  supported, making these tests fail).

ld/testsuite/ChangeLog

@@ -1,3 +1,12 @@
+2004-06-18 Jan Beulich <jbeulich@novell.com>
+
+	* ld-elfvsb/main.c: Ensure visibility_def and visibility_func are
+	actually referenced (gcc 3.4 eliminates comparisons of addresses
+	of global symbols with NULL).
+	* ld-selective/selective.exp: Suppress -fvtable-gc tests for gcc
+	3.4.0 and above, as this option and its functionality is no longer
+	supported, making these tests fail).
+
 2004-05-18  Nick Clifton  <nickc@redhat.com>
 
 	* ld-elf/frame.s: Replace @ with % so that the file can be

ld/testsuite/ld-elfvsb/main.c

@@ -74,13 +74,13 @@ extern int visibility_var;
 
 #if !defined (HIDDEN_TEST) && defined (PROTECTED_TEST)
 int
-visibility ()
+visibility (void)
 {
   return 1;
 }
 
 static int
-main_visibility_check ()
+main_visibility_check (void)
 {
   return ((int (*) (void)) visibility_funptr ()) != visibility;
 }
@@ -88,7 +88,7 @@ main_visibility_check ()
 int visibility_var = 1;
 
 static int
-main_visibility_checkvar ()
+main_visibility_checkvar (void)
 {
   return visibility_varval () != visibility_var
 	 && visibility_varptr () != &visibility_var;
@@ -99,7 +99,7 @@ int shared_data = 1;
 asm (".protected shared_data");
 
 int
-shared_func ()
+shared_func (void)
 {
   return 1;
 }
@@ -112,7 +112,7 @@ extern func shared_func_p ();
 #endif
 #else
 static int
-main_visibility_check ()
+main_visibility_check (void)
 {
 #ifdef WEAK_TEST
   return visibility_funptr () == NULL;
@@ -122,7 +122,7 @@ main_visibility_check ()
 }
 
 static int
-main_visibility_checkvar ()
+main_visibility_checkvar (void)
 {
 #ifdef WEAK_TEST
   return visibility_varval () == 0
@@ -137,7 +137,7 @@ main_visibility_checkvar ()
 /* This function is called by the shared library.  */
 
 int
-main_called ()
+main_called (void)
 {
   return 6;
 }
@@ -145,7 +145,7 @@ main_called ()
 /* This function overrides a function in the shared library.  */
 
 int
-shlib_overriddencall2 ()
+shlib_overriddencall2 (void)
 {
   return 8;
 }
@@ -155,19 +155,19 @@ int visibility_com;
 asm (".hidden visibility_com");
 
 int
-main_visibility_checkcom ()
+main_visibility_checkcom (void)
 {
   return visibility_com == 0;
 }
 
 int
-main_visibility_checkweak ()
+main_visibility_checkweak (void)
 {
   return 1;
 }
 #elif defined (HIDDEN_WEAK_TEST)
 int
-main_visibility_checkcom ()
+main_visibility_checkcom (void)
 {
   return 1;
 }
@@ -203,32 +203,32 @@ extern int visibility_func ();
 asm (".hidden visibility_func");
 
 int
-main_visibility_checkcom ()
+main_visibility_checkcom (void)
 {
-  return &visibility_def != NULL;
+  return & visibility_def != NULL && visibility_def == 2;
 }
 
 int
-main_visibility_checkweak ()
+main_visibility_checkweak (void)
 {
-  return &visibility_func != NULL;
+  return & visibility_func != NULL && visibility_func () == 2;
 }
 #else
 int
-main_visibility_checkcom ()
+main_visibility_checkcom (void)
 {
   return 1;
 }
 
 int
-main_visibility_checkweak ()
+main_visibility_checkweak (void)
 {
   return 1;
 }
 #endif
 
 int
-main ()
+main (void)
 {
   int (*p) ();
   int ret = 0;

ld/testsuite/ld-selective/selective.exp

@@ -89,6 +89,14 @@ foreach testitem $seltests {
     # It's either C or C++ at the moment.
     if { $testtype == "C++" } {
 	set testflags "$cflags $cxxflags"
+	if [string match "*gcc*" [lindex $CC 0]] {
+	    # Starting with 3.4.0, -fvtable-gc is no longer supported and thus
+	    # the functionality we try to test for cannot be expected to work.
+	    catch "exec -- $CC -dumpversion" version
+	    if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] {
+		setup_xfail {*-*-*}
+	    }
+	}
     } {
 	set testflags "$cflags"
     }