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-rw-r--r--src/include/port/atomics/generic-xlc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/port/atomics/generic-xlc.h b/src/include/port/atomics/generic-xlc.h
index 7a4c12ae6ca..1c743f2bc80 100644
--- a/src/include/port/atomics/generic-xlc.h
+++ b/src/include/port/atomics/generic-xlc.h
@@ -32,7 +32,7 @@ typedef struct pg_atomic_uint32
#define PG_HAVE_ATOMIC_U64_SUPPORT
typedef struct pg_atomic_uint64
{
- volatile uint64 value __attribute__((__aligned__(8)));
+ volatile uint64 value pg_attribute_aligned(8);
} pg_atomic_uint64;
#endif /* __64BIT__ */