From: Ivan Maidanski <ivmai@mail.ru>
Date: Mon, 30 Jan 2017 03:51:12 +0000 (+0300)
Subject: Fix 'zero-size array is extension' Clang warning in os_dep (Linux/x86)
X-Git-Tag: v7.6.2~274
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=119da90babfad5a9fe999ac815e716af27c6ed8f;p=gc

Fix 'zero-size array is extension' Clang warning in os_dep (Linux/x86)

* os_dep.c [I386 && LINUX && SAVE_CALL_CHAIN] (struct frame): Do not
declare fr_arg[NARGS] field if NARGS is zero.
---

diff --git a/os_dep.c b/os_dep.c
index d94a50d1..78403d45 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -4407,7 +4407,9 @@ GC_API int GC_CALL GC_get_pages_executable(void)
     struct frame {
         struct frame *fr_savfp;
         long    fr_savpc;
-        long    fr_arg[NARGS];  /* All the arguments go here.   */
+#       if NARGS > 0
+          long  fr_arg[NARGS];  /* All the arguments go here.   */
+#       endif
     };
 #endif