1 files changed, 14 insertions, 0 deletions
diff --git a/insns.def b/insns.def
index 9bae14b5a9..a4f2526bef 100644
--- a/insns.def
+++ b/insns.def
@@ -982,6 +982,20 @@ opt_str_freeze
 }
 
 DEFINE_INSN
+opt_str_uminus
+(VALUE str)
+()
+(VALUE val)
+{
+    if (BASIC_OP_UNREDEFINED_P(BOP_UMINUS, STRING_REDEFINED_OP_FLAG)) {
+	val = str;
+    }
+    else {
+	val = rb_funcall(rb_str_resurrect(str), idUMinus, 0);
+    }
+}
+
+DEFINE_INSN
 opt_newarray_max
 (rb_num_t num)
 (...)