From d2aa4101df1d3b3260ce0057cf8bc1ae7337d49b Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sun, 19 Sep 2021 15:03:12 -0700
Subject: vm, structs: use FLEX_ARRAY macro.

* vm.c (struct vm_closure): Use the FLEX_ARRAY macro to define
the trailing array at the end of the structure instead of
hard-coding [1].

* struct.c (struct struct_inst): Likewise.
---
 struct.c | 2 +-
 vm.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/struct.c b/struct.c
index 992f51bb..fccd0928 100644
--- a/struct.c
+++ b/struct.c
@@ -100,7 +100,7 @@ struct struct_inst {
   cnum id : sizeof (cnum) * CHAR_BIT - TAG_SHIFT;
   unsigned lazy : 1;
   unsigned dirty : 1;
-  val slot[1];
+  val slot[FLEX_ARRAY];
 };
 
 val struct_type_s, meth_s, print_s, make_struct_lit_s;
diff --git a/vm.c b/vm.c
index bfce175c..399bef19 100644
--- a/vm.c
+++ b/vm.c
@@ -95,7 +95,7 @@ struct vm_closure {
   int nreg;
   int nlvl;
   unsigned ip;
-  struct vm_env dspl[1];
+  struct vm_env dspl[FLEX_ARRAY];
 };
 
 val vm_desc_s, vm_closure_s;
-- 
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