https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116413
--- Comment #16 from Andreas Schwab <sch...@linux-m68k.org> ---
$ gcc/xgcc -B gcc/ -fpic ../gcc/gcc/testsuite/gcc.dg/pr52139.c -S -mlra -O
-fno-tree-dominator-opts -fno-tree-fre
../gcc/gcc/testsuite/gcc.dg/pr52139.c: In function ‘foo’:
../gcc/gcc/testsuite/gcc.dg/pr52139.c:50:1: error: unrecognizable insn:
50 | }
| ^
(insn 9 49 50 4 (set (reg:HI 33)
(mem/u/c:HI (plus:SI (ashift:SI (reg/v:SI 32 [ a ])
(const_int 1 [0x1]))
(label_ref:SI 11)) [0 S2 A8]))
"../gcc/gcc/testsuite/gcc.dg/pr52139.c":12:3 -1
(insn_list:REG_LABEL_OPERAND 11 (nil)))
during RTL pass: vregs
