From a164a34110940456a223959b0b17465ff796283c Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Mon, 25 Dec 2023 01:36:06 -0800
Subject: Resurrect a deprecated code for fixing tests for now

Revert "Remove deprecated code to fix RUBY_DEBUG build failures"

This reverts commit 9614bea2cd59902a051a7387e354e23a52fe5396.

And changed 3.4 to 3.5. To be fixed properly later.
---
 process.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/process.c b/process.c
index 0877a7d01f..8024588b69 100644
--- a/process.c
+++ b/process.c
@@ -900,6 +900,27 @@ pst_bitand(VALUE st1, VALUE st2)
     if (mask < 0) {
         rb_raise(rb_eArgError, "negative mask value: %d", mask);
     }
+#define WARN_SUGGEST(suggest) \
+    rb_warn_deprecated_to_remove_at(3.5, "Process::Status#&", suggest)
+
+    switch (mask) {
+      case 0x80:
+        WARN_SUGGEST("Process::Status#coredump?");
+        break;
+      case 0x7f:
+        WARN_SUGGEST("Process::Status#signaled? or Process::Status#termsig");
+        break;
+      case 0xff:
+        WARN_SUGGEST("Process::Status#exited?, Process::Status#stopped? or Process::Status#coredump?");
+        break;
+      case 0xff00:
+        WARN_SUGGEST("Process::Status#exitstatus or Process::Status#stopsig");
+        break;
+      default:
+        WARN_SUGGEST("other Process::Status predicates");
+        break;
+    }
+#undef WARN_SUGGEST
     status &= mask;
 
     return INT2NUM(status);
@@ -934,6 +955,21 @@ pst_rshift(VALUE st1, VALUE st2)
     if (places < 0) {
         rb_raise(rb_eArgError, "negative shift value: %d", places);
     }
+#define WARN_SUGGEST(suggest) \
+    rb_warn_deprecated_to_remove_at(3.5, "Process::Status#>>", suggest)
+
+    switch (places) {
+      case 7:
+        WARN_SUGGEST("Process::Status#coredump?");
+        break;
+      case 8:
+        WARN_SUGGEST("Process::Status#exitstatus or Process::Status#stopsig");
+        break;
+      default:
+        WARN_SUGGEST("other Process::Status attributes");
+        break;
+    }
+#undef WARN_SUGGEST
     status >>= places;
 
     return INT2NUM(status);
-- 
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