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

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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
This commit is contained in:
Jan Hubicka 2006-05-08 23:42:17 +02:00 committed by Jan Hubicka
parent 857e575351
commit 04f77d0f3b
4 changed files with 23 additions and 2 deletions

6
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

8
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;

5
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

6
gcc/testsuite/gcc.dg/pr25962.c Normal file

@ -0,0 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O0" } */
/* { dg-final { scan-assembler "debug_hook" } } */
static int debug_hook()
{
}