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-rw-r--r--ruby.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index f0af34a9a8..452d0a0e3c 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1744,6 +1744,9 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
path = str_conv_enc(path, uenc, lenc);
}
#endif
+ if (!ENCODING_GET(path)) { /* ASCII-8BIT */
+ rb_enc_copy(path, opt->script_name);
+ }
}
base_block = toplevel_context(toplevel_binding);
iseq = rb_iseq_new_main(ast->root, opt->script_name, path, vm_block_iseq(base_block));