[clang] [llvm] [RISCV] Implement the implications of C extension (PR #132259)

[Sam Elliott via llvm-commits]

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@@ -25,8 +25,8 @@ addi a0, a1, 0
 # CHECK: # encoding:  [0xe0,0x1f]
 addi s0, sp, 1020
 
-# CHECK: .option arch, -c
-.option arch, -c
+# CHECK: .option arch, -c, -zca
+.option arch, -c, -zca
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lenary wrote:

This is because your predicates need a little bit of work, I think

https://github.com/llvm/llvm-project/pull/132259