[clang] [llvm] [Driver,CodeGen] Report error when enabling 64-bit-only features on non-64-bit arch (PR #101151)

[Freddy Ye via cfe-commits]

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@@ -309,8 +309,8 @@
 // HRESET: "-target-feature" "+hreset"
 // NO-HRESET: "-target-feature" "-hreset"
 
-// RUN: %clang --target=i386 -march=i386 -muintr %s -### 2>&1 | FileCheck -check-prefix=UINTR %s
-// RUN: %clang --target=i386 -march=i386 -mno-uintr %s -### 2>&1 | FileCheck -check-prefix=NO-UINTR %s
+// RUN: %clang --target=x86_64 -march=i386 -muintr %s -### 2>&1 | FileCheck -check-prefix=UINTR %s
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FreddyLeaf wrote:

why no error with `-march=i386` here?

https://github.com/llvm/llvm-project/pull/101151