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From: "juzhe.zhong at rivai dot ai" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/110996] RISC-V vector Fortran: SEGV ICE during parsing
Date: Tue, 15 Aug 2023 01:54:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110996

--- Comment #4 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
(In reply to Jeremy Bennett from comment #3)
> @JuzheZhong I believe this is in someway related to RVV.  If I remove `v'
> from the march:
>=20
> riscv64-unknown-linux-gnu-gfortran -march=3Drv64gc -mabi=3Dlp64d -c     -=
Ofast
> testcase.f90
>=20
> The output I get is correct:
>=20
> testcase.f90:6:20:
>=20
>     6 |    SUBROUTINE c(d) e
>       |                    1
> Error: Syntax error in SUBROUTINE statement at (1)
>=20
> Why does adding `v' to the -march string cause a SEGV?

I didn't reproduce the issue. What I see is GCC has ICE even without 'v' in=
=20
-march. And I have no idea for it.=