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-rw-r--r--erts/include/internal/ppc32/atomic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/include/internal/ppc32/atomic.h b/erts/include/internal/ppc32/atomic.h
index f21f7c9588..daa0de88ab 100644
--- a/erts/include/internal/ppc32/atomic.h
+++ b/erts/include/internal/ppc32/atomic.h
@@ -28,6 +28,10 @@
#ifndef ETHREAD_PPC_ATOMIC_H
#define ETHREAD_PPC_ATOMIC_H
+#if ETHR_SIZEOF_LONG != ETHR_SIZEOF_PTR
+# error "Incompatible size of 'int'"
+#endif
+
typedef struct {
volatile int counter;
} ethr_native_atomic_t;