From 3ba2114043d50705ba2f33b01ef17b56122629ac Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Tue, 18 Dec 2018 03:53:55 -0500
Subject: [PATCH] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro

Both GCC v4.8 and Clang v3.4 (our minimum versions) support
__builtin_unreachable(), so we can remove the version check here now.

Backports commit 6fa2cef205a60b5c5c3b058f53852416b885c455 from qemu
---
 qemu/tcg/tcg.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/qemu/tcg/tcg.h b/qemu/tcg/tcg.h
index 0c410e19..fa88c2d1 100644
--- a/qemu/tcg/tcg.h
+++ b/qemu/tcg/tcg.h
@@ -232,11 +232,9 @@ typedef uint64_t tcg_insn_unit;
 
 #if defined CONFIG_DEBUG_TCG || defined QEMU_STATIC_ANALYSIS
 # define tcg_debug_assert(X) do { assert(X); } while (0)
-#elif QEMU_GNUC_PREREQ(4, 5)
+#else
 # define tcg_debug_assert(X) \
     do { if (!(X)) { __builtin_unreachable(); } } while (0)
-#else
-# define tcg_debug_assert(X) do { (void)(X); } while (0)
 #endif
 
 typedef struct TCGRelocation {