[llvm-branch-commits] [clang] release/20.x: [clang][Interpreter] Disable part of lambda test on Windows (PR #143851)

[David Spickett via llvm-branch-commits]

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@@ -1,7 +1,10 @@
 // REQUIRES: host-supports-jit
 // UNSUPPORTED: system-aix
 // RUN: cat %s | clang-repl | FileCheck %s
-// RUN: cat %s | clang-repl -Xcc -O2 | FileCheck %s
+// At -O2, somehow "x = 42" appears first when piped into FileCheck,
+// see https://github.com/llvm/llvm-project/issues/143547.
+// RUN: %if !system-windows %{ cat %s | clang-repl -Xcc -Xclang -Xcc -verify -Xcc -O2 | FileCheck %s %}
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DavidSpickett wrote:

Good question:
* It did not fail in pre-commit Windows CI. Which implies there are some Windows systems where it would not fail and would become a UPASS if we XFAIL'd it, but we could UNSUPPORTED instead.
* The first RUN line does work consistently on all Windows machines we know of. XFAIL would disable the entire test. Which isn't a big loss given that we know the feature does work on Windows, but I tried to retain as much coverage as we could.

https://github.com/llvm/llvm-project/pull/143851