From: Jan Hubicka <jh@suse.cz>
Date: Mon, 8 May 2006 21:42:17 +0000 (+0200)
Subject: re PR middle-end/25962 (Pointer (null) check after the use in cgraph.c)
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04f77d0f3b194ada4e89a3bf8df3b55bf370fbfa;p=platform%2Fupstream%2Fgcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f660c99..e685cdb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index 4a7f90e..351f5f0 100644
--- a/gcc/cgraphunit.c
+++ b/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;
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0911cd9..bd2076b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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
diff --git a/gcc/testsuite/gcc.dg/pr25962.c b/gcc/testsuite/gcc.dg/pr25962.c
new file mode 100644
index 0000000..20ac00e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr25962.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+/* { dg-final { scan-assembler "debug_hook" } } */
+static int debug_hook()
+{
+}