[clang] [llvm] [RISC-V][MC] Introduce RVY extension feature (PR #176870)

[Jessica Clarke via cfe-commits]

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@@ -13,8 +13,8 @@
 .attribute arch, "foo"
 # CHECK: [[@LINE-1]]:18: error: invalid arch name 'foo', string must begin with rv32{i,e,g}, rv64{i,e,g}, or a supported profile name{{$}}
 
-.attribute arch, "rv32i2p1_y2p0"
-# CHECK: [[@LINE-1]]:18: error: invalid arch name 'rv32i2p1_y2p0', invalid standard user-level extension 'y'
+.attribute arch, "rv32i2p1_o2p0"
+# CHECK: [[@LINE-1]]:18: error: invalid arch name 'rv32i2p1_o2p0', invalid standard user-level extension 'o'
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jrtc27 wrote:

Separate this out?

https://github.com/llvm/llvm-project/pull/176870