gh-131798: Add JIT path for _BUILD_STRING

Signed-off-by: Manjusaka <me@manjusaka.me>
python · Fidget-Spinner · Apr 27, 2025 · Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025
commit 445ec7de60ce9e2294b775aca7083ec4b2213c28
@@ -920,8 +920,15 @@ dummy_func(void) {
    }

    op(_BUILD_STRING, (values[oparg] -- str)) {
-        if (sym_is_const(ctx, values[oparg])) {
-            PyObject *val = sym_get_const(ctx, values[oparg]);
+        bool is_const = true;
+        for (int i = 0; i < oparg; i++) {
+            if (!sym_is_const(ctx, values[i])) {
+                is_const = false;
+                break;
+            }
+        }
+        if (is_const) {
+            PyObject *val = sym_get_const(ctx, values[0]);
            str = sym_new_const(ctx, val);
            Py_DecRef(val);
        }

diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h