[clang] [Clang][Modules] Emit C++20 BMIs to working directory with -fmodule-output (PR #174560)

[Chuanqi Xu via cfe-commits]

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@@ -51,7 +51,7 @@
 
 // RUN: %clang -std=c++20 Hello.cppm --precompile -fmodules-reduced-bmi \
 // RUN:     -### 2>&1 | FileCheck Hello.cppm \
-// RUN:     --check-prefix=CHECK-OVERRIDE-WARN
+// RUN:     --check-prefix=CHECK-OVERRIDE-WARN-NOT
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ChuanqiXu9 wrote:

Yeah, what I want is, we need to still see the warning in the test.

https://github.com/llvm/llvm-project/pull/174560