Issue #12407 has been reported by Kazuhiro NISHIYAMA.

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Bug #12407: 2 failures of TestMkmf::TestConvertible
https://bugs.ruby-lang.org/issues/12407

* Author: Kazuhiro NISHIYAMA
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.4.0dev (2016-05-20 trunk 55084) [x86_64-linux]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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jessie の clang でビルドすると `TestMkmf::TestConvertible#test_typeof_builtin` と `TestMkmf::TestConvertible#test_typeof_typedef` で failure になります。

```
$ dpkg -l clang | grep ^ii
ii  clang          1:3.5-25     amd64        C, C++ and Objective-C compiler (LLVM based)
$ make test-all TESTS="mkmf/test_convertible.rb" >log.txt 2>&1
```

---Files--------------------------------
log.txt (14.6 KB)


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