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-rw-r--r--eval.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/eval.c b/eval.c
index 635d60cd6b..bb1e43bb73 100644
--- a/eval.c
+++ b/eval.c
@@ -17,8 +17,6 @@ VALUE proc_invoke(VALUE, VALUE, VALUE, VALUE);
VALUE rb_binding_new(void);
NORETURN(void rb_raise_jump(VALUE));
-VALUE rb_f_block_given_p(void);
-
ID rb_frame_callee(void);
VALUE rb_eLocalJumpError;
VALUE rb_eSysStackError;
@@ -586,9 +584,9 @@ rb_f_block_given_p(void)
{
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *cfp = th->cfp;
- cfp = vm_get_ruby_level_cfp(th, RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp));
+ cfp = vm_get_ruby_level_caller_cfp(th, RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp));
- if (GC_GUARDED_PTR_REF(cfp->lfp[0])) {
+ if (cfp != 0 && GC_GUARDED_PTR_REF(cfp->lfp[0])) {
return Qtrue;
}
else {
@@ -1089,10 +1087,10 @@ rb_f_local_variables(void)
VALUE ary = rb_ary_new();
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *cfp =
- vm_get_ruby_level_cfp(th, RUBY_VM_PREVIOUS_CONTROL_FRAME(th->cfp));
+ vm_get_ruby_level_caller_cfp(th, RUBY_VM_PREVIOUS_CONTROL_FRAME(th->cfp));
int i;
- while (1) {
+ while (cfp) {
if (cfp->iseq) {
for (i = 0; i < cfp->iseq->local_table_size; i++) {
ID lid = cfp->iseq->local_table[i];