From c37ebfe08fb43242687e58a68628ade8101973d7 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Fri, 26 May 2023 13:34:26 -0400
Subject: [PATCH] Remove dead code in string.c

The STR_DEC_LEN macro is not used.
---
 string.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/string.c b/string.c
index f3b1406665..df1464fb70 100644
--- a/string.c
+++ b/string.c
@@ -125,17 +125,6 @@ VALUE rb_cSymbol;
     }\
 } while (0)
 
-#define STR_DEC_LEN(str) do {\
-    if (STR_EMBED_P(str)) {\
-        long n = RSTRING_LEN(str);\
-        n--;\
-        STR_SET_EMBED_LEN((str), n);\
-    }\
-    else {\
-        RSTRING(str)->as.heap.len--;\
-    }\
-} while (0)
-
 static inline bool
 str_enc_fastpath(VALUE str)
 {