merge revision(s) 44449: [Backport #9416]

	* parse.y (local_push_gen, local_pop_gen): save cmdarg_stack to
	  isolate command argument state from outer scope.
	  [ruby-core:59342] [Bug #9308]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index d04cf45612..eb5ed547d3 100644
--- a/parse.y
+++ b/parse.y
@@ -130,6 +130,7 @@ struct local_vars {
     struct vtable *vars;
     struct vtable *used;
     struct local_vars *prev;
+    stack_type cmdargs;
 };
 
 #define DVARS_INHERIT ((void*)1)
@@ -9642,6 +9643,8 @@ local_push_gen(struct parser_params *parser, int inherit_dvars)
     local->used = !(inherit_dvars &&
 		    (ifndef_ripper(compile_for_eval || e_option_supplied(parser))+0)) &&
 	RTEST(ruby_verbose) ? vtable_alloc(0) : 0;
+    local->cmdargs = cmdarg_stack;
+    cmdarg_stack = 0;
     lvtbl = local;
 }
 
@@ -9655,6 +9658,7 @@ local_pop_gen(struct parser_params *parser)
     }
     vtable_free(lvtbl->args);
     vtable_free(lvtbl->vars);
+    cmdarg_stack = lvtbl->cmdargs;
     xfree(lvtbl);
     lvtbl = local;
 }