# Test multithreaded error reporting. RUN: llvm-profdata merge -j 4 -o %t.profdata \ RUN: %S/Inputs/counter-mismatch-1.proftext \ RUN: %S/Inputs/counter-mismatch-2.proftext \ RUN: %S/Inputs/counter-mismatch-3.proftext \ RUN: %S/Inputs/counter-mismatch-4.proftext \ RUN: 2>&1 | FileCheck %s CHECK: Function basic block count change detected (counter mismatch)