usa	2014-05-30 00:45:25 +0900 (Fri, 30 May 2014)

  New Revision: 46237

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?revision=46237&view=revision

  Log:
    * vm_trace.c, vm.c, thread.c: get rid of (maybe false positive) warnings about
      using uninitialized var with VC++.

  Modified files:
    trunk/thread.c
    trunk/vm.c
    trunk/vm_trace.c
Index: thread.c
===================================================================
--- thread.c	(revision 46236)
+++ thread.c	(revision 46237)
@@ -371,7 +371,7 @@ rb_threadptr_trap_interrupt(rb_thread_t https://github.com/ruby/ruby/blob/trunk/thread.c#L371
 static void
 terminate_all(rb_vm_t *vm, const rb_thread_t *main_thread)
 {
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     list_for_each(&vm->living_threads, th, vmlt_node) {
 	if (th != main_thread) {
@@ -2070,7 +2070,7 @@ void https://github.com/ruby/ruby/blob/trunk/thread.c#L2070
 rb_thread_fd_close(int fd)
 {
     rb_vm_t *vm = GET_THREAD()->vm;
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     list_for_each(&vm->living_threads, th, vmlt_node) {
 	if (th->waiting_fd == fd) {
@@ -2324,7 +2324,7 @@ rb_thread_list(void) https://github.com/ruby/ruby/blob/trunk/thread.c#L2324
 {
     VALUE ary = rb_ary_new();
     rb_vm_t *vm = GET_THREAD()->vm;
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     list_for_each(&vm->living_threads, th, vmlt_node) {
 	switch (th->status) {
@@ -3882,7 +3882,7 @@ thgroup_list(VALUE group) https://github.com/ruby/ruby/blob/trunk/thread.c#L3882
 {
     VALUE ary = rb_ary_new();
     rb_vm_t *vm = GET_THREAD()->vm;
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     list_for_each(&vm->living_threads, th, vmlt_node) {
 	if (th->thgroup == group) {
@@ -5030,7 +5030,7 @@ static void https://github.com/ruby/ruby/blob/trunk/thread.c#L5030
 debug_deadlock_check(rb_vm_t *vm)
 {
 #ifdef DEBUG_DEADLOCK_CHECK
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     printf("%d %d %p %p\n", vm_living_thread_num(vm), vm->sleeper, GET_THREAD(), vm->main_thread);
     list_for_each(&vm->living_threads, th, vmlt_node) {
@@ -5053,7 +5053,7 @@ static void https://github.com/ruby/ruby/blob/trunk/thread.c#L5053
 rb_check_deadlock(rb_vm_t *vm)
 {
     int found = 0;
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     if (vm_living_thread_num(vm) > vm->sleeper) return;
     if (vm_living_thread_num(vm) < vm->sleeper) rb_bug("sleeper must not be more than vm_living_thread_num(vm)");
Index: vm_trace.c
===================================================================
--- vm_trace.c	(revision 46236)
+++ vm_trace.c	(revision 46237)
@@ -216,7 +216,7 @@ void https://github.com/ruby/ruby/blob/trunk/vm_trace.c#L216
 rb_clear_trace_func(void)
 {
     rb_vm_t *vm = GET_VM();
-    rb_thread_t *th;
+    rb_thread_t *th = 0;
 
     list_for_each(&vm->living_threads, th, vmlt_node) {
 	rb_threadptr_remove_event_hook(th, 0, Qundef);
Index: vm.c
===================================================================
--- vm.c	(revision 46236)
+++ vm.c	(revision 46237)
@@ -1696,7 +1696,7 @@ rb_vm_mark(void *ptr) https://github.com/ruby/ruby/blob/trunk/vm.c#L1696
     RUBY_GC_INFO("-------------------------------------------------\n");
     if (ptr) {
 	rb_vm_t *vm = ptr;
-	rb_thread_t *th;
+	rb_thread_t *th = 0;
 
 	list_for_each(&vm->living_threads, th, vmlt_node) {
 	    rb_gc_mark(th->self);

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