[Bug target/85142] Wrong -print-multi-os-directory & -print-multi-lib output for riscv64 + multilib

["rjones at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85142

--- Comment #5 from Richard W.M. Jones <rjones at redhat dot com> ---
I'm not the original reporter but you could give us a few *minutes*
at least to resolve these questions by just asking.

The patch in question is this one.  (I didn't write it, it was written
by David the reporter.)

ff --git a/gcc/config/riscv/t-linux-multilib
b/gcc/config/riscv/t-linux-multilib
index 298547f..5f08626 100644
--- a/gcc/config/riscv/t-linux-multilib
+++ b/gcc/config/riscv/t-linux-multilib
@@ -20,27 +20,4 @@ rv64gc ilp32 \
 ilp32d \
 lp64 \
 lp64d
-MULTILIB_REQUIRED = march=rv32imac/mabi=ilp32 \
-march=rv32imafdc/mabi=ilp32d \
-march=rv64imac/mabi=lp64 \
-march=rv64imafdc/mabi=lp64d
-MULTILIB_REUSE = march.rv32imac/mabi.ilp32=march.rv32ima/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32imaf/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32imafd/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32imafc/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32imafdc/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32g/mabi.ilp32 \
-march.rv32imac/mabi.ilp32=march.rv32gc/mabi.ilp32 \
-march.rv32imafdc/mabi.ilp32d=march.rv32imafd/mabi.ilp32d \
-march.rv32imafdc/mabi.ilp32d=march.rv32gc/mabi.ilp32d \
-march.rv32imafdc/mabi.ilp32d=march.rv32g/mabi.ilp32d \
-march.rv64imac/mabi.lp64=march.rv64ima/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64imaf/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64imafd/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64imafc/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64imafdc/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64g/mabi.lp64 \
-march.rv64imac/mabi.lp64=march.rv64gc/mabi.lp64 \
-march.rv64imafdc/mabi.lp64d=march.rv64imafd/mabi.lp64d \
-march.rv64imafdc/mabi.lp64d=march.rv64gc/mabi.lp64d \
-march.rv64imafdc/mabi.lp64d=march.rv64g/mabi.lp64d
+MULTILIB_REQUIRED = march=rv64imafdc/mabi=lp64d