[skip ci] Add UPGRADING.INTERNALS note for ZEND_DIM_ALTERNATIVE_SYNTAX

iluuu1994 · iluuu1994 · commit c68b43c71bc3 · 2024-08-08T10:33:40.000+02:00
diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
@@ -102,6 +102,9 @@ PHP 8.4 INTERNALS UPGRADE NOTES
 * Removed IS_STATIC_VAR_UNINITIALIZED constant. Check for IS_NULL in the
   static_variables array instead.
 
+* Removed ZEND_DIM_ALTERNATIVE_SYNTAX constant. This syntax no longer has a
+  specialized error message.
+
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 2. Build system changes
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