[clang] [llvm] [AArch64] Add optional extensions enabled on Grace (PR #127620)

[Sjoerd Meijer via cfe-commits]

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@@ -92,7 +92,7 @@
 // COBALT-100: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-n2"
 
 // RUN: %clang --target=aarch64 -mcpu=grace -### -c %s 2>&1 | FileCheck -check-prefix=GRACE %s
-// GRACE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-v2"
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sjoerdmeijer wrote:

We should keep neoverse-v2?

https://github.com/llvm/llvm-project/pull/127620