[issue13370] test_ctypes fails when building python with clang

[Ned Deily]

Ned Deily <nad at acm.org> added the comment:

An update: test_ctypes continues to fail on 2.7.3rc2 with exactly the same failures as originally reported when compiled non-debug 64-bit (x86_64) with either the latest clang *or* llvm-gcc from Xcode 4.3.1.  It does not fail when compiled with gcc-4.2 from Xcode 3.2.6. Not does it fail with any of the three compilers when compiled and run as 32-bit (i386). So it does seem to come down to a difference between standard gcc and with the llvm-based compilers (clang, llvm-gcc), and not just clang.

Python 2.7.3rc2 (2.7:f59ab537a5dc, Mar 17 2012, 15:26:37) 
[GCC 4.2.1 Compatible Apple Clang 3.1 (tags/Apple/clang-318.0.54)] on darwin

Python 2.7.3rc2 (2.7:f59ab537a5dc, Mar 17 2012, 15:47:25) 
[GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)] on darwin

Python 2.7.3rc2 (2.7:f59ab537a5dc, Mar 17 2012, 16:08:58) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin

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<http://bugs.python.org/issue13370>
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