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Diffstat (limited to 'mesalib/include/c11/threads_win32.h')
-rw-r--r--mesalib/include/c11/threads_win32.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/mesalib/include/c11/threads_win32.h b/mesalib/include/c11/threads_win32.h
index 5298a8432..d017c31c3 100644
--- a/mesalib/include/c11/threads_win32.h
+++ b/mesalib/include/c11/threads_win32.h
@@ -296,7 +296,7 @@ static void impl_tss_dtor_invoke()
static inline void
call_once(once_flag *flag, void (*func)(void))
{
- assert(!flag && !func);
+ assert(flag && func);
#ifdef EMULATED_THREADS_USE_NATIVE_CALL_ONCE
{
struct impl_call_once_param param;