[Bug middle-end/119183] [12/13/14/15 Regression] Compilation takes a long time on semi big inner expression

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119183

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
#68 0x00000000014ad3af in save_expr (expr=expr@entry=0x7ffff7395af0) at
/home/apinski/src/upstream-gcc-isel/gcc/gcc/tree.cc:4059
#69 0x0000000000a34565 in build_modify_expr (location=location@entry=196167297,
lhs=lhs@entry=0x7ffff73941c8, lhs_origtype=lhs_origtype@entry=0x7ffff782a2a0,
modifycode=modifycode@entry=MINUS_EXPR, rhs_loc=rhs_loc@entry=196167680,
rhs=0x7ffff7395af0, rhs_origtype=0x0)
    at /home/apinski/src/upstream-gcc-isel/gcc/gcc/c/c-typeck.cc:7194


So maybe r8-735-gb2fa0a8bdfe15c .