FFI: Fix constructor index resolution in JIT compiler.

Reported by Vladimir Davydov and Sergey Kaplun. #1441

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lj_crecord.c b/src/lj_crecord.c
index 85362ea5..4adfefe6 100644
--- a/src/lj_crecord.c
+++ b/src/lj_crecord.c
@@ -811,6 +811,8 @@ again:
           }
           J->base[0] = lj_ir_kint(J, (int32_t)fct->size);
           return;  /* Interpreter will throw for newindex. */
+        } else if (cd && cd->ctypeid == CTID_CTYPEID) {
+          /* Only resolve constants and metamethods for constructors. */
         } else if (ctype_isbitfield(fct->info)) {
           lj_trace_err(J, LJ_TRERR_NYICONV);
         } else {