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From 38fe74765a4cbf1003cc2011559bf83b05b10e46 Mon Sep 17 00:00:00 2001
From: David Mitchell <davem@iabyn.com>
Date: Tue, 3 May 2016 22:25:48 +0100
Subject: [PATCH 3/5] Coro: handle argarray removal in 5.23.8

---
 Coro/State.xs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Coro/State.xs b/Coro/State.xs
index 93c2c5b..28264c5 100644
--- a/Coro/State.xs
+++ b/Coro/State.xs
@@ -1415,6 +1415,7 @@ runops_trace (pTHX)
                       if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
                         {
                           dSP;
+                          AV *argarray;
                           GV *gv = CvGV (cx->blk_sub.cv);
                           SV *fullname = sv_2mortal (newSV (0));
 
@@ -1428,7 +1429,16 @@ runops_trace (pTHX)
                           PUSHMARK (SP);
                           PUSHs (&PL_sv_yes);
                           PUSHs (fullname);
-                          PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
+                          argarray =
+# if PERL_VERSION_ATLEAST(5,23,8)
+                            ((AV*)(AvARRAY(MUTABLE_AV(
+                              PadlistARRAY(CvPADLIST(cx->blk_sub.cv))[
+                              CvDEPTH(cx->blk_sub.cv)]))[0]));
+#else
+                            cx->blk_sub.argarray;
+#endif
+
+                          PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)argarray)) : &PL_sv_undef);
                           PUTBACK;
                           cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
                           if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
-- 
2.4.11