PATCH: PR bootstrap/30510: Gcc failed to bootstrap

PATCH: PR bootstrap/30510: Gcc failed to bootstrap

[H. J. Lu]

This patch initializes 2 variables before using them. Works on
Linux/x86-64.


H.J.
----
cp/

2007-01-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/30510
	* parser.c (cp_parser_class_specifier): Initialize bases.

fortran/

2007-01-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/30510
	* resolve.c (resolve_function): Initialize name.

--- gcc/cp/parser.c.foo	2007-01-11 07:48:10.000000000 -0800
+++ gcc/cp/parser.c	2007-01-19 10:53:15.000000000 -0800
@@ -13203,7 +13203,7 @@ cp_parser_class_specifier (cp_parser* pa
   bool saved_in_function_body;
   tree old_scope = NULL_TREE;
   tree scope = NULL_TREE;
-  tree bases;
+  tree bases = NULL_TREE;
 
   push_deferring_access_checks (dk_no_deferred);
 
--- gcc/fortran/resolve.c.foo	2007-01-18 10:42:36.000000000 -0800
+++ gcc/fortran/resolve.c	2007-01-19 10:56:44.000000000 -0800
@@ -1538,7 +1538,7 @@ resolve_function (gfc_expr * expr)
 {
   gfc_actual_arglist *arg;
   gfc_symbol * sym;
-  const char *name;
+  const char *name = NULL;
   try t;
   int temp;
   procedure_type p = PROC_INTRINSIC;

Re: PATCH: PR bootstrap/30510: Gcc failed to bootstrap

[H. J. Lu]

On Fri, Jan 19, 2007 at 06:33:10PM -0800, H. J. Lu wrote:
> This patch initializes 2 variables before using them. Works on
> Linux/x86-64.
> 

This is the updated patch.

H.J.
----
cp/

2007-01-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/30510
	* parser.c (cp_parser_class_specifier): Initialize bases.

fortran/

2007-01-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/30510
	* resolve.c (resolve_function): Initialize name.

--- gcc/cp/parser.c.uninit	2007-01-11 07:48:10.000000000 -0800
+++ gcc/cp/parser.c	2007-01-22 07:54:29.000000000 -0800
@@ -13203,7 +13203,7 @@ cp_parser_class_specifier (cp_parser* pa
   bool saved_in_function_body;
   tree old_scope = NULL_TREE;
   tree scope = NULL_TREE;
-  tree bases;
+  tree bases = NULL_TREE;
 
   push_deferring_access_checks (dk_no_deferred);
 
--- gcc/fortran/resolve.c.uninit	2007-01-22 07:51:32.000000000 -0800
+++ gcc/fortran/resolve.c	2007-01-22 07:55:39.000000000 -0800
@@ -1524,7 +1524,7 @@ resolve_function (gfc_expr *expr)
 {
   gfc_actual_arglist *arg;
   gfc_symbol *sym;
-  const char *name;
+  const char *name = NULL;
   try t;
   int temp;
   procedure_type p = PROC_INTRINSIC;

RE: PATCH: PR bootstrap/30510: Gcc failed to bootstrap

[Meissner, Michael]

> -----Original Message-----
> From: gcc-patches-owner@gcc.gnu.org
[mailto:gcc-patches-owner@gcc.gnu.org]
> On Behalf Of H. J. Lu
> Sent: Tuesday, January 23, 2007 9:02 AM
> To: gcc-patches@gcc.gnu.org
> Subject: Re: PATCH: PR bootstrap/30510: Gcc failed to bootstrap
> 
> On Fri, Jan 19, 2007 at 06:33:10PM -0800, H. J. Lu wrote:
> > This patch initializes 2 variables before using them. Works on
> > Linux/x86-64.
> >
> 
> This is the updated patch.
> 
> H.J.
> ----
> cp/

OK.  Though in both cases, it is safe, since the address is passed into
a function which always initializes it before use.

--
Michael Meissner
AMD, MS 83-29
90 Central Street
Boxborough, MA 01719