parse.y: rescue modifier in rhs

* parse.y (command_asgn): rescue modifier in command assignment
  should be limited to rhs only.  [ruby-core:75621] [Bug #12402]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55851 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index eca1744b96..7f0177819e 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -874,6 +874,16 @@ x = __ENCODING__
     assert_warning('') {eval("#{a} = 1; /(?<#{a}>)/ =~ ''")}
   end
 
+  def test_rescue_in_command_assignment
+    bug = '[ruby-core:75621] [Bug #12402]'
+    v = bug
+    v = raise(v) rescue "ok"
+    assert_equal("ok", v)
+    v = bug
+    v = raise v rescue "ok"
+    assert_equal("ok", v)
+  end
+
 =begin
   def test_past_scope_variable
     assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}