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-rw-r--r--src/include/c.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/c.h b/src/include/c.h
index 01854f99a3c..f4ec33e9b07 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -107,6 +107,12 @@
#endif
/*
+ * Previously used PostgreSQL-specific spelling, for backward compatibility
+ * for extensions.
+ */
+#define pg_restrict restrict
+
+/*
* Attribute macros
*
* GCC: https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html