[llvm] Run delta-pass with child process (PR #87647)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,53 @@
+; UNSUPPORTED: target={{.-windows.}}
+; RUN: llvm-reduce --run-delta-in-child --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
+; RUN: FileCheck --check-prefixes=CHECK-FINAL --input-file=%t %s
+
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arsenm wrote:

So does this test demonstrate a crash in a reduction? I'm confused about what this is showing 

https://github.com/llvm/llvm-project/pull/87647