https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110606
--- Comment #7 from Jeevitha <jeevitha at gcc dot gnu.org> ---
The following insns are dead at sched2, but not removed until pass_final, If
these instruction are removed there will be no ICE.
(insn 80 110 111 3 (set (reg:DI 28 28 [145])
(high:DI (unspec:DI [
(reg:DI 2 2)
] UNSPEC_TLSLD))) "test.cc":27:7 737 {*tls_ld_high64}
(expr_list:REG_EQUIV (high:DI (unspec:DI [
(reg:DI 2 2)
] UNSPEC_TLSLD))
(nil)))
(insn:TI 81 106 54 3 (set (reg:DI 28 28 [139])
(lo_sum:DI (reg:DI 28 28 [145])
(unspec:DI [
(reg:DI 2 2)
] UNSPEC_TLSLD))) "test.cc":27:7 738 {*tls_ld_low64}
(expr_list:REG_DEAD (reg:DI 2 2)
(nil)))
(insn 72 23 53 4 (set (reg:DI 3 3)
(reg:DI 28 28 [139])) "test.cc":27:7 683 {*movdi_internal64}
(nil))
call_insn/u 26 53 35 4 (parallel [
(set (reg:DI 3 3)
(call (mem:SI (symbol_ref:DI ("__tls_get_addr") [flags 0x41]
<function_decl 0x7ffff576df00 __tls_get_addr>) [0 S4 A8])
(unspec:DI [
(reg:DI 2 2)
] UNSPEC_TLSLD)))
(use (const_int 0 [0]))
(clobber (reg:DI 96 lr))
]) "test.cc":27:7 776 {*call_value_nonlocal_aixdi}
(expr_list:REG_UNUSED (reg:DI 3 3)
(expr_list:REG_CALL_DECL (symbol_ref:DI ("__tls_get_addr") [flags 0x41]
<function_decl 0x7ffff576df00 __tls_get_addr>)
(expr_list:REG_EH_REGION (const_int -2147483648
[0xffffffff80000000])
(nil))))
(expr_list (use (reg:DI 2 2))
(expr_list (use (reg:DI 3 3))
(nil))))
