Link error when compiling with -fsanitize=undefined

[Scott Kostyshak]

On Sun, Sep 19, 2021 at 02:00:33PM +0200, Kornel Benko wrote:
> Am Sun, 19 Sep 2021 07:45:19 -0400
> schrieb Scott Kostyshak <skostysh at lyx.org>:
> 
> > > > > So inserting this include cured the compilation for me.    
> > > > 
> > > > That's great you figured it out and it doesn't add too much complexity to the code.
> > > > Are you sure it ended up using the -fsanitize=undefined flag ? If you do
> > > > 
> > > >   ldd build-dir/bin/lyx | grep ubsan
> > > > 
> > > > Does it show up?
> > > > 
> > > > Scott  
> > > 
> > > 	libubsan.so.1 => /usr/lib/x86_64-linux-gnu/libubsan.so.1
> > > (0x00007f49cdfd2000)  
> > 
> > Great, I will experiment next week with it.
> > 
> > Thank you,
> > 
> > Scott
> > 
> 
> BTW, how got you the output showing errors? My lyx does not print any error messages.
> (I mean:
> 'ColorCode' /home/scott/lyxbuilds/master/repo/src/MetricsInfo.cpp:174:6: runtime
> error: load of value 128, which is not a valid value for type
> ...
> )

It seems that it is triggered with a lot of branches (or perhaps more generally any different kind of insets?). Attached is an LFUN sequence that reproduces it. Does it trigger the error for you?

Scott
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