From 800a20a5de99700ebc569497c3d2fe5dcf57f0cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Sat, 5 Apr 2025 16:53:05 +0300
Subject: [PATCH] [lldb] Fix building with GCC without asserts

This case was missed in 03604a784011bec2292f900b118d825f34f8cf89.

Cherry-picked from llvm/llvm-project@fcead25
---
 lldb/include/lldb/Utility/LLDBAssert.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lldb/include/lldb/Utility/LLDBAssert.h b/lldb/include/lldb/Utility/LLDBAssert.h
index cc0146be25998..e76dac46b94f4 100644
--- a/lldb/include/lldb/Utility/LLDBAssert.h
+++ b/lldb/include/lldb/Utility/LLDBAssert.h
@@ -27,8 +27,11 @@
   } while (0)
 #else
 #define lldbassert(x)                                                          \
-  lldb_private::_lldb_assert(static_cast<bool>(x), #x, __FUNCTION__, __FILE__, \
-                             __LINE__)
+  do {                                                                         \
+    static std::once_flag _once_flag;                                          \
+    lldb_private::_lldb_assert(static_cast<bool>(x), #x, __FUNCTION__,         \
+                               __FILE__,  __LINE__, _once_flag);               \
+  } while (0)
 #endif
 #endif