Shut up some warnings

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libmain/stack.cc b/src/libmain/stack.cc
index 41b617d98..abf59dc4b 100644
--- a/src/libmain/stack.cc
+++ b/src/libmain/stack.cc
@@ -32,7 +32,7 @@ static void sigsegvHandler(int signo, siginfo_t * info, void * ctx)
         if (diff < 0) diff = -diff;
         if (diff < 4096) {
             char msg[] = "error: stack overflow (possible infinite recursion)\n";
-            (void) write(2, msg, strlen(msg));
+            [[gnu::unused]] int res = write(2, msg, strlen(msg));
             _exit(1); // maybe abort instead?
         }
     }