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From: "wilson at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/97481] GCC ice when build with RISCV on msys2
Date: Mon, 19 Oct 2020 19:27:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97481

Jim Wilson <wilson at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |wilson at gcc dot gnu.org

--- Comment #2 from Jim Wilson <wilson at gcc dot gnu.org> ---
riscv-unknown-linux-gnu is not a supported target.  You must use either
riscv32-unknown-linux-gnu or riscv64-unknwon-linux-gnu.  Both compilers sup=
port
both word sizes, the only difference is which is the default word size.  Th=
is
may be part of the reason why it failed.

The attachment doesn't show any ICE.  It is just a config.log file, and I d=
on't
see anything interesting in there.

Note that mingw64 builds of a linux toolchain are unlikely to work as glibc
requires a case sensitive file system.  I'd suggest using WSL2 as something
more likely to work, but I haven't tried that myself.

It looks like you have a badly broken compiler build.  You will need to fig=
ure
out why it is broken.  This doesn't seem to be a gcc problem, but rather a
build problem on your side.=