[Bug tree-optimization/69291] [6 Regression] wrong code at -O1 for ruby-2.3.0/regcomp.c:985:compile_length_quantifier_node()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69291

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, not inlining compile_length_quantifier_node fixes it as well.  It's inlined
in
compile_length_tree.

-fdisable-tree-uncprop1 fixes it - that hints more at a target specific RTL
issue
or an RTL expansion issue.

-fno-tree-coalesce-vars also fixes it (disabling TER doesn't).