[clang] [RISCV] Support predefined macro __riscv_misaligned_[fast,avoid]. (PR #65756)

[Yeting Kuo via cfe-commits]

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@@ -1228,3 +1228,15 @@
 // RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
 // CHECK-ZVKT-EXT: __riscv_zvkt 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
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yetingk wrote:

Done.

https://github.com/llvm/llvm-project/pull/65756