RJIT: Properly reject keyword splat with `yield`

See the fix for YJIT.

lib/ruby_vm/rjit/insn_compiler.rb

@@ -4452,6 +4452,11 @@ module RubyVM::RJIT
         return CantCompile
       end
 
+      if flags & C::VM_CALL_KW_SPLAT != 0
+        asm.incr_counter(:send_iseq_kw_splat)
+        return CantCompile
+      end
+
       if iseq_has_rest && opt_num != 0
         asm.incr_counter(:send_iseq_has_rest_and_optional)
         return CantCompile

rjit_c.h

@@ -69,6 +69,7 @@ RJIT_RUNTIME_COUNTERS(
     send_iseq_has_rest,
     send_iseq_block_arg0_splat,
     send_iseq_kw_call,
+    send_iseq_kw_splat,
     send_iseq_splat,
     send_iseq_has_rest_and_optional,
     send_iseq_arity_error,

rjit_c.rb

@@ -1388,6 +1388,7 @@ module RubyVM::RJIT # :nodoc: all
       send_iseq_has_rest: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_has_rest)")],
       send_iseq_block_arg0_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_block_arg0_splat)")],
       send_iseq_kw_call: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_kw_call)")],
+      send_iseq_kw_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_kw_splat)")],
       send_iseq_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_splat)")],
       send_iseq_has_rest_and_optional: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_has_rest_and_optional)")],
       send_iseq_arity_error: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_iseq_arity_error)")],