Add tests for a variety of string-subclass operations (#5999)

This way YJIT has to match CRuby for each of them.
Remove unused string_p() Rust function

1 files changed, 0 insertions, 5 deletions

diff --git a/yjit/src/cruby.rs b/yjit/src/cruby.rs
index 3a172391f6..da9a84a160 100644
--- a/yjit/src/cruby.rs
+++ b/yjit/src/cruby.rs
@@ -461,11 +461,6 @@ impl VALUE {
         self == Qnil
     }
 
-    /// Returns true or false depending whether the value is a string
-    pub fn string_p(self) -> bool {
-        unsafe { CLASS_OF(self) == rb_cString }
-    }
-
     /// Read the flags bits from the RBasic object, then return a Ruby type enum (e.g. RUBY_T_ARRAY)
     pub fn builtin_type(self) -> ruby_value_type {
         assert!(!self.special_const_p());