re PR middle-end/25962 (Pointer (null) check after the use in cgraph.c)

	PR middle-end/25962
	* cgraphunit.c (decide_is_function_needed): When not optimizing even
	unused static functions are needed.

	* gcc.dg/pr25962.c: New.

From-SVN: r113633

gcc/ChangeLog

+2006-05-08  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/25962
+	* cgraphunit.c (decide_is_function_needed): When not optimizing even
+	unused static functions are needed.
+
 2006-05-08  Roger Sayle  <roger@eyesopen.com>
 
 	PR target/27158

gcc/cgraphunit.c

@@ -216,8 +216,12 @@ decide_is_function_needed (struct cgraph_node *node, tree decl)
     return true;
 
   /* Externally visible functions must be output.  The exception is
-     COMDAT functions that must be output only when they are needed.  */
-  if ((TREE_PUBLIC (decl) && !flag_whole_program)
+     COMDAT functions that must be output only when they are needed. 
+
+     When not optimizing, also output the static functions. (see
+     PR25962)
+     */
+  if (((TREE_PUBLIC (decl) || !optimize) && !flag_whole_program)
       && !DECL_COMDAT (decl) && !DECL_EXTERNAL (decl))
     return true;
 

gcc/testsuite/ChangeLog

+2006-05-08  Jan Hubicka  <jh@suse.cz>
+
+	PR middle-end/25962
+	* gcc.dg/pr25962.c: New.
+
 2006-05-08  Roger Sayle  <roger@eyesopen.com>
 
 	PR target/27158

gcc/testsuite/gcc.dg/pr25962.c

+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+/* { dg-final { scan-assembler "debug_hook" } } */
+static int debug_hook()
+{
+}