[ci skip] Correct minor typo (GC_GLAGS to GC_FLAGS)

diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index d4676d34c29445fb93450d57b53e53d90662f9fe..e393a4dd4ff732ff7292b09d79ed6fb8e84d6d61 100644 (file)
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -72,7 +72,7 @@ PHP 7.3 INTERNALS UPGRADE NOTES
      HASH_FLAG_APPLY_PROTECTION flag and ZEND_HASH_APPLY_PROTECTION() macro
      are removed. All mutable arrays should use recursion protection.
      Corresponding checks should be replaced by Z_REFCOUNTED() or
-     !(GC_GLAGS(p) & GC_IMMUTABLE).
+     !(GC_FLAGS(p) & GC_IMMUTABLE).
 
   d. HASH_FLAG_PERSISTENT renamed into IS_ARRAY_PERSISTENT and moved into
      GC_FLAGS (to be consistent with IS_STR_PERSISTENT).