This ICE is introduced by this patch:
https://gcc.gnu.org/pipermail/gcc-patches/2022-November/606523.html 
PLCT lab is helping with this bug fix.


juzhe.zhong@rivai.ai
 
From: Andreas Schwab
Date: 2022-11-20 17:24
To: juzhe.zhong
CC: gcc-patches; monk.chiang; kito.cheng
Subject: Re: [PATCH] RISC-V: Add RVV registers register spilling
FAIL: gcc.target/riscv/rvv/base/spill-1.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-1.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-2.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-2.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-3.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-3.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-4.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-4.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-5.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-5.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-6.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-6.c (test for excess errors)
FAIL: gcc.target/riscv/rvv/base/spill-7.c (internal compiler error: in to_constant, at poly-int.h:504)
FAIL: gcc.target/riscv/rvv/base/spill-7.c (test for excess errors)
 
-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."