Index: compiler-rt/test/fuzzer/reduce_inputs.test
===================================================================
--- compiler-rt/test/fuzzer/reduce_inputs.test
+++ compiler-rt/test/fuzzer/reduce_inputs.test
@@ -1,16 +1,21 @@
 # Test -reduce_inputs=1
 
 RUN: rm -rf %t/C
+RUN: rm -f %t-shrink-simple.log %t-shrink-longer.log %t-shrink-redundant.log
 RUN: mkdir -p %t/C
+
 RUN: %cpp_compiler %S/ShrinkControlFlowSimpleTest.cpp -o %t-ShrinkControlFlowSimpleTest
 RUN: %cpp_compiler %S/ShrinkControlFlowTest.cpp -o %t-ShrinkControlFlowTest
-RUN: %run %t-ShrinkControlFlowSimpleTest  -exit_on_item=0eb8e4ed029b774d80f2b66408203801cb982a60   -runs=1000000 %t/C 2>&1 | FileCheck %s
+RUN: %run %t-ShrinkControlFlowSimpleTest  -exit_on_item=0eb8e4ed029b774d80f2b66408203801cb982a60   -runs=1000000 %t/C >%t-shrink-simple.log 2>&1 
+RUN: cat %t-shrink-simple.log | FileCheck %s
 CHECK: INFO: found item with checksum '0eb8e4ed029b774d80f2b66408203801cb982a60'
 
 # Test that reduce_inputs deletes redundant files in the corpus.
-RUN: %run %t-ShrinkControlFlowSimpleTest -runs=0 %t/C 2>&1 | FileCheck %s --check-prefix=COUNT
+RUN: %run %t-ShrinkControlFlowSimpleTest -runs=0 %t/C >%t-shrink-redundant.log 2>&1 
+RUN: cat %t-shrink-redundant.log | FileCheck %s --check-prefix=COUNT
 COUNT: seed corpus: files: 4
 
 # a bit longer test
-RUN: %run %t-ShrinkControlFlowTest  -exit_on_item=0eb8e4ed029b774d80f2b66408203801cb982a60  -seed=1 -runs=1000000  2>&1 | FileCheck %s
+RUN: %run %t-ShrinkControlFlowTest  -exit_on_item=0eb8e4ed029b774d80f2b66408203801cb982a60  -seed=1 -runs=1000000 >%t-shrink-longer.log 2>&1 
+RUN: cat %t-shrink-longer.log | FileCheck %s