Bug#778163: vim: ftbfs with GCC-5

Matthias Klose doko at debian.org
Fri Feb 27 17:14:27 UTC 2015

On 02/27/2015 05:27 PM, James McCoy wrote:
> On Fri, Feb 13, 2015 at 10:14:03PM -0500, James McCoy wrote:
>> On Thu, Feb 12, 2015 at 10:37:46AM +0000, Matthias Klose wrote:
>>> The package fails to build in a test rebuild on at least amd64 with
>>> gcc-5/g++-5, but succeeds to build with gcc-4.9/g++-4.9.
>> I eventually narrowed it down to “-O1 -fno-tree-dominator-opts
>> -fno-tree-fre” as the minimal set that will cause the build to succeed.
>> Dropping either of those -fno-tree-… will cause the build to fail.
>> This seems like a GCC bug to me.  Let me know if you need more
>> information and, more importantly, how to get the right information.
>> Note that Vim's source compiles fine in all situations but the tests
>> fail when those optimizations aren't disabled.
> I'm still seeing this with the latest gcc-5 upload (5-20150226-1).

didn't touch that yet. Can you narrow down the file where this is needed, by
combining object files from two builds?


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