* dir.c (push_glob): add RB_GC_GUARD to prevent str being free'ed.

  a patch from Masaya TARUI in [ruby-dev:40939].  [ruby-dev:40514]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 2 deletions

diff --git a/dir.c b/dir.c
index a2e8e037c5..6cdccd8b85 100644
--- a/dir.c
+++ b/dir.c
@@ -1622,14 +1622,17 @@ push_glob(VALUE ary, VALUE str, int flags)
 {
     struct glob_args args;
     rb_encoding *enc = rb_enc_get(str);
+    int ret;
 
     if (enc == rb_usascii_encoding()) enc = rb_filesystem_encoding();
     args.func = push_pattern;
     args.value = ary;
     args.enc = enc;
 
-    return ruby_brace_glob0(RSTRING_PTR(str), flags | GLOB_VERBOSE,
-			    rb_glob_caller, (VALUE)&args, enc);
+    ret = ruby_brace_glob0(RSTRING_PTR(str), flags | GLOB_VERBOSE,
+			   rb_glob_caller, (VALUE)&args, enc);
+    RB_GC_GUARD(str);
+    return ret;
 }
 
 static VALUE