push value for NULL AST when value is required; fix #3110

d8fc09cf · Yukihiro "Matz" Matsumoto · ec35e549 · d8fc09cf
Commit d8fc09cf authored Feb 17, 2016 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-compiler/core/codegen.c mrbgems/mruby-compiler/core/codegen.c +7 -1

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--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -1179,7 +1179,13 @@ codegen(codegen_scope *s, node *tree, int val)
 {
  int nt;

-  if (!tree) return;
+  if (!tree) {
+    if (val) {
+      genop(s, MKOP_A(OP_LOADNIL, cursp()));
+      push();
+    }
+    return;
+  }

  if (s->irep && s->filename_index != tree->filename_index) {
    s->irep->filename = mrb_parser_get_filename(s->parser, s->filename_index);