From: duerst@...
Date: 2018-11-03T03:19:52+00:00
Subject: [ruby-core:89688] [Ruby trunk Bug#15279] Lots of warnings about signed and unsigned types for macro RHASH_SIZE

Issue #15279 has been reported by duerst (Martin D��rst).

----------------------------------------
Bug #15279: Lots of warnings about signed and unsigned types for macro RHASH_SIZE
https://bugs.ruby-lang.org/issues/15279

* Author: duerst (Martin D��rst)
* Status: Open
* Priority: Normal
* Assignee: nobu (Nobuyoshi Nakada)
* Target version: 
* ruby -v: 
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN
----------------------------------------
When trying to compile the latest version of Ruby, I get a lot of warnings such as the following:

```
compiling array.c
In file included from transient_heap.h:12:0,
                 from array.c:21:
array.c: In function ���rb_ary_uniq_bang���:
internal.h:766:74: warning: signed and unsigned type in conditional expression [-Wsign-compare]
 #  define RHASH_SIZE(h)      (RHASH_ARRAY_P(h) ? RHASH_ARRAY_SIZE_RAW(h) : RHASH_ST_SIZE(h))
                                                                                                                              ^
array.c:4864:17: note: in expansion of macro ���RHASH_SIZE���
     hash_size = RHASH_SIZE(hash);
                 ^
```

I have attached a longer list in a file.

The version of Ruby I used for compilation is ruby 2.4.0dev (2016-06-09 trunk 55334) [x86_64-linux], but that should be unrelated.

---Files--------------------------------
20181103bug.txt (42.7 KB)


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