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vm_invoke_proc_block: reduce recursion

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According to nobu recursion can be longer than my expectation.  Limit
them here.
This commit is contained in:
卜部昌平 2020-05-31 17:34:58 +09:00
parent b61e82eac9
commit de5e0f7c06
Notes: git 2020-06-03 16:14:15 +09:00 
Merged: https://github.com/ruby/ruby/pull/3152
1 changed files with 8 additions and 4 deletions
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12
vm_insnhelper.c
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@ -3517,11 +3517,15 @@ vm_proc_to_block_handler(VALUE procval)
static VALUE
vm_invoke_proc_block(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp,
struct rb_calling_info *calling, const struct rb_callinfo *ci,
MAYBE_UNUSED(bool is_lambda), VALUE block_handler)
bool is_lambda, VALUE block_handler)
{
return vm_invoke_block(ec, reg_cfp, calling, ci,
block_proc_is_lambda(VM_BH_TO_PROC(block_handler)),
vm_proc_to_block_handler(VM_BH_TO_PROC(block_handler)));
while (vm_block_handler_type(block_handler) == block_handler_type_proc) {
VALUE proc = VM_BH_TO_PROC(block_handler);
is_lambda = block_proc_is_lambda(proc);
block_handler = vm_proc_to_block_handler(proc);
}
return vm_invoke_block(ec, reg_cfp, calling, ci, is_lambda, block_handler);
}
static inline VALUE