https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65779
--- Comment #10 from baoshan <pangbw at gmail dot com> ---
This is my fix for this issue, any comment is welcome.
---
10 gcc/function.c | 5 +++--
11 1 files changed, 3 insertions(+), 2 deletions(-)
12
13 diff --git a/gcc/function.c b/gcc/function.c
14 index 1a8682b..a9df397 100644
15 --- a/gcc/function.c
16 +++ b/gcc/function.c
17 @@ -5561,8 +5561,9 @@ prepare_shrink_wrap (basic_block entry_block)
18 CLEAR_HARD_REG_SET (uses);
19 CLEAR_HARD_REG_SET (defs);
20 FOR_BB_INSNS_REVERSE_SAFE (entry_block, insn, curr)
21 - if (NONDEBUG_INSN_P (insn)
22 - && !move_insn_for_shrink_wrap (entry_block, insn, uses, defs))
23 + if (INSN_P(insn) &&
24 + (DEBUG_INSN_P (insn)
25 + || !move_insn_for_shrink_wrap (entry_block, insn, uses, defs)))
26 {
27 /* Add all defined registers to DEFs. */
28 for (ref = DF_INSN_DEFS (insn); *ref; ref++)
