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-rw-r--r--lib/make/cctk_Config.h.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in
index 99c7eff4..8590550c 100644
--- a/lib/make/cctk_Config.h.in
+++ b/lib/make/cctk_Config.h.in
@@ -370,7 +370,7 @@ typedef enum {false, true} bool;
#ifdef HAVE_CCTK_C_BUILTIN_UNREACHABLE
# define CCTK_BUILTIN_UNREACHABLE() __builtin_unreachable()
#else
-# define CCTK_BUILTIN_UNREACHABLE() ((void)0)
+# define CCTK_BUILTIN_UNREACHABLE() CCTK_Abort()
#endif
/* OpenMP collapse clause */