cont.c: Small code cleanup

Remove variable that is used only once, several lines after
initialization.

* cont.c (cont_capture): remove unnecessary variable
  [ruby-core:65518] [Feature #10341]

Author: Knut Franke <[email protected]>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 3 deletions

diff --git a/cont.c b/cont.c
index 49b7702ae8..ab17dccee4 100644
--- a/cont.c
+++ b/cont.c
@@ -450,14 +450,13 @@ static VALUE
 cont_capture(volatile int *stat)
 {
     rb_context_t *cont;
-    rb_thread_t *th = GET_THREAD(), *sth;
+    rb_thread_t *th = GET_THREAD();
     volatile VALUE contval;
 
     THREAD_MUST_BE_RUNNING(th);
     rb_vm_stack_to_heap(th);
     cont = cont_new(rb_cContinuation);
     contval = cont->self;
-    sth = &cont->saved_thread;
 
 #ifdef CAPTURE_JUST_VALID_VM_STACK
     cont->vm_stack_slen = th->cfp->sp + th->mark_stack_len - th->stack;
@@ -469,7 +468,7 @@ cont_capture(volatile int *stat)
     cont->vm_stack = ALLOC_N(VALUE, th->stack_size);
     MEMCPY(cont->vm_stack, th->stack, VALUE, th->stack_size);
 #endif
-    sth->stack = 0;
+    cont->saved_thread.stack = 0;
 
     cont_save_machine_stack(th, cont);