From b7d75591f36575fc0a6e56378b4fa891981d803e Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 15 Jul 2021 14:08:17 +0900
Subject: codegen.c: `gen_jmpdst` always needs to generate relative address.

---
 mrbgems/mruby-compiler/core/codegen.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

(limited to 'mrbgems/mruby-compiler/core/codegen.c')

diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index 5b779b63d..bd3f34ddd 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -398,17 +398,15 @@ gen_jmpdst(codegen_scope *s, uint32_t pc)
 {
 
   if (pc == JMPLINK_START) {
-    gen_S(s, 0);
+    pc = 0;
   }
-  else {
-    uint32_t pos2 = s->pc+2;
-    int32_t off = pc - pos2;
+  uint32_t pos2 = s->pc+2;
+  int32_t off = pc - pos2;
 
-    if (off > INT16_MAX || INT16_MIN > off) {
-      codegen_error(s, "too big jump offset");
-    }
-    gen_S(s, (uint16_t)off);
+  if (off > INT16_MAX || INT16_MIN > off) {
+    codegen_error(s, "too big jump offset");
   }
+  gen_S(s, (uint16_t)off);
 }
 
 static uint32_t
-- 
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