[llvm] [lit] Add --report-failures-only option for lit test reports (PR #115439)

[James Henderson via llvm-commits]

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@@ -0,0 +1,17 @@
+# UNSUPPORTED: system-windows
+
+# Check xunit output
+# RUN: rm -rf %t.xunit.xml
+# RUN: not %{lit} --report-failures-only --xunit-xml-output %t.xunit.xml %{inputs}/xunit-output
+# If xmllint is installed verify that the generated xml is well-formed
+# RUN: sh -c 'if command -v xmllint 2>/dev/null; then xmllint --noout %t.xunit.xml; fi'
+# RUN: FileCheck < %t.xunit.xml %s
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jh7370 wrote:

The canonical way of passing an input file into FileCheck is to use `--input-file`.

https://github.com/llvm/llvm-project/pull/115439