[llvm] [MachineVerifier] Report errors from one thread at a time (PR #111605)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,22 @@
+# RUN: not --crash llc -mtriple=aarch64 -o /dev/null -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s --implicit-check-not="Bad machine code"
+# REQUIRES: aarch64-registered-target
+
+# Check that errors are reported from only one function.
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arsenm wrote:

This behavior is really annoying if it's fixable 

https://github.com/llvm/llvm-project/pull/111605