process.c: get rid of inadvertent ID pindown

* process.c (check_exec_redirect_fd, check_exec_redirect),
  (rb_execarg_addopt): get rid of inadvertent ID pindown.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 32 insertions, 0 deletions

diff --git a/test/-ext-/symbol/test_inadvertent_creation.rb b/test/-ext-/symbol/test_inadvertent_creation.rb
index 14e6abd7a3..abcb5d9ccb 100644
--- a/test/-ext-/symbol/test_inadvertent_creation.rb
+++ b/test/-ext-/symbol/test_inadvertent_creation.rb
@@ -320,5 +320,37 @@ module Test_Symbol
       end
       end;
     end
+
+    def test_execopt_key
+      name = noninterned_name.intern
+      assert_raise(ArgumentError) {
+        system(".", name => nil)
+      }
+      assert_not_pinneddown(name)
+    end
+
+    def test_execopt_redirect_value
+      name = noninterned_name.intern
+      assert_raise(ArgumentError) {
+        system(".", [] => name)
+      }
+      assert_not_pinneddown(name)
+    end
+
+    def test_execopt_redirect_path
+      name = noninterned_name.intern
+      assert_raise(TypeError) {
+        system(".", [] => [name, 0])
+      }
+      assert_not_pinneddown(name)
+    end
+
+    def test_execopt_redirect_symbol
+      name = noninterned_name.intern
+      assert_raise(ArgumentError) {
+        system(".", in: name)
+      }
+      assert_not_pinneddown(name)
+    end
   end
 end