[ruby-core:97731] [Ruby master Bug#16762] Ruby is not properly fortified on armv7hl

Issue #16762 has been reported by vo.x (Vit Ondruch).

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Bug #16762: Ruby is not properly fortified on armv7hl
https://bugs.ruby-lang.org/issues/16762

* Author: vo.x (Vit Ondruch)
* Status: Open
* Priority: Normal
* ruby -v: ruby 2.8.0dev (2020-04-03 master 810d66f3e7) [armv7hl-linux]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
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The issue is similar to #15335 and the fix is also similar:

~~~
diff --git a/coroutine/arm32/Context.S b/coroutine/arm32/Context.S
index b66db29622..596284b5cf 100644
--- a/coroutine/arm32/Context.S
+++ b/coroutine/arm32/Context.S
@@ -24,3 +24,7 @@ coroutine_transfer:
 	
 	# Restore callee state (8 registers program counter)
 	pop {r4-r11,pc}
+
+#if defined(__linux__) && defined(__ELF__)
+.section .note.GNU-stack,"",%progbits
+#endif
~~~

It seems to be introduced by https://github.com/ruby/ruby/pull/2995



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