From 1b599ea7f8614b19762816d35eef467b8c9bd178 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Gl=C3=B6ckner?= <daniel-gl@gmx.net>
Date: Thu, 20 Nov 2008 11:37:46 +0100
Subject: [PATCH] Cast parameter of '!' to _Bool

---
 tcc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tcc.c b/tcc.c
index 015d403..100db98 100644
--- a/tcc.c
+++ b/tcc.c
@@ -7516,9 +7516,12 @@ static void unary(void)
     case '!':
         next();
         unary();
-        if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST)
+        if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) {
+            CType boolean;
+            boolean.t = VT_BOOL;
+            gen_cast(&boolean);
             vtop->c.i = !vtop->c.i;
-        else if ((vtop->r & VT_VALMASK) == VT_CMP)
+        } else if ((vtop->r & VT_VALMASK) == VT_CMP)
             vtop->c.i = vtop->c.i ^ 1;
         else {
             save_regs(1);