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Re: make check fails? (emacs-26.1 w/modules)

From: Paul Eggert
Subject: Re: make check fails? (emacs-26.1 w/modules)
Date: Wed, 5 Sep 2018 00:54:46 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Greg Minshall wrote:
admittedly pretty old, but that's apparently what ubuntu's serving up
these days.

It depends on the Ubuntu release. My Ubuntu 18.04 machine is running gcc (Ubuntu 7.3.0-16ubuntu3). I don't observe the symptoms you're seeing, when I build on the emacs-26 branch and use './configure --with-modules'.

i guess it's always possible the optimizer is doing the right thing
because of some programming error, maybe a mis-placed "const" on an
extern, something like that.

Doesn't sound likely. The assembly code you sent looks fishy, though. You might try running gcc -S and/r gcc -E on the affected module, with the same compile-time flags that 'make' is using; use 'make V=1' to see them.

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