[PATCH 18/21] change z* subset assert to allow "zk"

[siyu]

From: SiYu Wu <s...@isrc.iscas.ac.cn>

---
 gcc/common/config/riscv/riscv-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/common/config/riscv/riscv-common.c 
b/gcc/common/config/riscv/riscv-common.c
index 4ed2a1f662a..e801fa149a2 100644
--- a/gcc/common/config/riscv/riscv-common.c
+++ b/gcc/common/config/riscv/riscv-common.c
@@ -227,7 +227,7 @@ multi_letter_subset_rank (const std::string &subset)
       high_order = 1;
       break;
     case 'z':
-      gcc_assert (subset.length () > 2);
+      gcc_assert (subset.length () > 1);
       high_order = 2;
       break;
     case 'x':
-- 
2.25.1