--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compiler-rt/test/fuzzer/trace-malloc-unbalanced.test	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,30 @@
+// FIXME: This test infinite loops on darwin because it crashes
+// printing a stack trace repeatedly
+UNSUPPORTED: darwin
+
+// Verifies lib/fuzzer/scripts/unbalanced_allocs.py script
+
+RUN: %cpp_compiler %S/TraceMallocTest.cpp -o %t-TraceMallocTest
+
+# Specify python because we can't use the shebang line on Windows.
+RUN: %run %t-TraceMallocTest -seed=1 -trace_malloc=1 -runs=200 2>&1 | \
+RUN:    python %libfuzzer_src/scripts/unbalanced_allocs.py --skip=5 | FileCheck %s
+
+RUN: %run %t-TraceMallocTest -seed=1 -trace_malloc=2 -runs=200 2>&1 | \
+RUN:    python %libfuzzer_src/scripts/unbalanced_allocs.py --skip=5 | FileCheck %s --check-prefixes=CHECK,CHECK2
+
+CHECK: MallocFreeTracer: START
+# Behavior of the format string "%p" is implementation defined. Account for the
+# implementation on Windows and Linux.
+CHECK: Unbalanced MALLOC[{{[0-9]+}}] [[PTR:(:?0x)?[0-9a-fA-F]+]] 4
+CHECK2-NEXT: {{ #0 0x[0-9a-f]+ in }}
+CHECK2-NEXT: {{ #1 0x[0-9a-f]+ in }}
+CHECK2-NEXT: {{ #2 0x[0-9a-f]+ in }}
+CHECK: MallocFreeTracer: STOP
+
+CHECK: MallocFreeTracer: START
+CHECK: Unbalanced FREE[{{[0-9]+}}] [[PTR]]
+CHECK2-NEXT: {{ #0 0x[0-9a-f]+ in }}
+CHECK2-NEXT: {{ #1 0x[0-9a-f]+ in }}
+CHECK2-NEXT: {{ #2 0x[0-9a-f]+ in }}
+CHECK: MallocFreeTracer: STOP