[Bug target/68805] ICE while var-tracking in simplify_binary_operation_1 with -g and -mvsx-timode

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68805

Alan Modra <amodra at gmail dot com> changed:

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                 CC|                            |amodra at gmail dot com

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
I think the problem is in vsx_le_perm_load, where the splitter generates
vec_select:TI.  gcc/doc/rtl.texi says the vec_select mode ought to be a vector
mode, so I think there needs to be a mode change in the splitter (and others
like it).