From 44486e881892d2d59591cf9943c20e4265c6442a Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gunnar@beutner.name>
Date: Sun, 11 Apr 2021 18:22:48 +0200
Subject: [PATCH] LibC: Turn CRASH() into a function and add noreturn attribute

This way CRASH() can be used in functions that are themselves
marked as noreturn.
---
 Userland/Libraries/LibC/assert.cpp | 6 ++++++
 Userland/Libraries/LibC/assert.h   | 7 +++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/Userland/Libraries/LibC/assert.cpp b/Userland/Libraries/LibC/assert.cpp
index d4f99a1a8701fc..2915d43962eb89 100644
--- a/Userland/Libraries/LibC/assert.cpp
+++ b/Userland/Libraries/LibC/assert.cpp
@@ -53,3 +53,9 @@ void __assertion_failed(const char* msg)
 }
 #endif
 }
+
+void __crash()
+{
+    asm volatile("ud2");
+    __builtin_unreachable();
+}
diff --git a/Userland/Libraries/LibC/assert.h b/Userland/Libraries/LibC/assert.h
index 572a35632aea7e..3749e66c434b9e 100644
--- a/Userland/Libraries/LibC/assert.h
+++ b/Userland/Libraries/LibC/assert.h
@@ -45,10 +45,9 @@ __attribute__((noreturn)) void __assertion_failed(const char* msg);
 #    define VERIFY_NOT_REACHED() CRASH()
 #endif
 
-#define CRASH()              \
-    do {                     \
-        asm volatile("ud2"); \
-    } while (0)
+__attribute__((noreturn)) void __crash();
+
+#define CRASH() __crash()
 #define VERIFY assert
 #define TODO VERIFY_NOT_REACHED