Unify length field for embedded and heap strings (#7908)

* Unify length field for embedded and heap strings

The length field is of the same type and position in RString for both
embedded and heap allocated strings, so we can unify it.

* Remove RSTRING_EMBED_LEN

1 files changed, 1 insertions, 2 deletions

diff --git a/yjit.c b/yjit.c
index 2f8abd4567..8e0c43f1bd 100644
--- a/yjit.c
+++ b/yjit.c
@@ -40,8 +40,7 @@
 
 // Field offsets for the RString struct
 enum rstring_offsets {
-    RUBY_OFFSET_RSTRING_AS_HEAP_LEN = offsetof(struct RString, as.heap.len),
-    RUBY_OFFSET_RSTRING_EMBED_LEN = offsetof(struct RString, as.embed.len),
+    RUBY_OFFSET_RSTRING_LEN = offsetof(struct RString, len)
 };
 
 // We need size_t to have a known size to simplify code generation and FFI.