Fill omitted arguments by nil for non-strict Proc.

mruby · Apr 10, 2017 · 0cb5015 · 0cb5015
1 parent c063641
commit 0cb5015
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/vm.c b/src/vm.c
@@ -1607,9 +1607,15 @@ mrb_vm_exec(mrb_state *mrb, struct RProc *proc, mrb_code *pc)
         if (argv0 != argv) {
           value_move(&regs[1], argv, argc-mlen); /* m1 + o */
         }
+        if (argc < m1) {
+          stack_clear(&regs[argc+1], m1-argc);
+        }
         if (mlen) {
           value_move(&regs[len-m2+1], &argv[argc-mlen], mlen);
         }
+        if (mlen < m2) {
+          stack_clear(&regs[len-m2+mlen+1], m2-mlen);
+        }
         if (r) {
           regs[m1+o+1] = mrb_ary_new_capa(mrb, 0);
         }