patch 9.0.1452: code using EVAL_CONSTANT is dead, it is never set Commit: https://github.com/vim/vim/commit/b7f6f93475a3ad5c590a09a2577fd51590bea9e1 Author: zeertzjq <zeertzjq@outlook.com> Date: Thu Apr 13 22:12:50 2023 +0100 patch 9.0.1452: code using EVAL_CONSTANT is dead, it is never set Problem: Code using EVAL_CONSTANT is dead, it is never set. Solution: Remove EVAL_CONSTANT. (closes https://github.com/vim/vim/issues/12252)

--- a/src/structs.h
+++ b/src/structs.h
@@ -2102,9 +2102,8 @@ typedef struct {
     char_u	*eval_tofree_lambda;
 } evalarg_T;
 
-// Flags for expression evaluation.
+// Flag for expression evaluation.
 #define EVAL_EVALUATE	    1	    // when missing don't actually evaluate
-#define EVAL_CONSTANT	    2	    // when not a constant return FAIL
 
 # ifdef FEAT_PROFILE
 /*