* compile.c: Use rb_fstring() to de-duplicate string literals in code. [ruby-core:58599] [Bug #9159] [ruby-core:54405]

* iseq.c (prepare_iseq_build): De-duplicate iseq labels and source locations.
* re.c (rb_reg_initialize): Use rb_fstring() for regex string.
* string.c (rb_fstring): Handle non-string and already-fstr arguments.
* vm_eval.c (eval_string_with_cref): De-duplicate eval source filename.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43866 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/re.c b/re.c
index a7074d8282..f69eb09b10 100644
--- a/re.c
+++ b/re.c
@@ -2460,8 +2460,7 @@ rb_reg_initialize(VALUE obj, const char *s, long len, rb_encoding *enc,
 			  options & ARG_REG_OPTION_MASK, err,
 			  sourcefile, sourceline);
     if (!re->ptr) return -1;
-    OBJ_WRITE(obj, &re->src, rb_enc_str_new(s, len, enc));
-    OBJ_FREEZE(re->src);
+    OBJ_WRITE(obj, &re->src, rb_fstring(rb_enc_str_new(s, len, enc)));
     RB_GC_GUARD(unescaped);
     return 0;
 }