From 071164b7999d0932fd60fb3c580a6c374ab1cf4f Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Sat, 1 Apr 2017 18:54:37 +0900 Subject: Should not shrink VM stack; fix #3551 --- src/vm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/vm.c b/src/vm.c index 93af6219e..94892569f 100644 --- a/src/vm.c +++ b/src/vm.c @@ -1202,7 +1202,8 @@ RETRY_TRY_BLOCK: else { mrb_value blk = regs[bidx]; if (!mrb_nil_p(blk) && mrb_type(blk) != MRB_TT_PROC) { - mrb->c->ci->nregs = bidx+1; + if(bidx >= mrb->c->ci->nregs) + mrb->c->ci->nregs = bidx+1; regs[bidx] = mrb_convert_type(mrb, blk, MRB_TT_PROC, "Proc", "to_proc"); } } @@ -1438,7 +1439,8 @@ RETRY_TRY_BLOCK: } blk = regs[bidx]; if (!mrb_nil_p(blk) && mrb_type(blk) != MRB_TT_PROC) { - ci->nregs = bidx+1; + if(bidx >= ci->nregs) + ci->nregs = bidx+1; regs[bidx] = mrb_convert_type(mrb, blk, MRB_TT_PROC, "Proc", "to_proc"); ci = mrb->c->ci; } -- cgit v1.2.3