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diff --git a/lib/Fuzzer/test/minimize_two_crashes.test b/lib/Fuzzer/test/minimize_two_crashes.test
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+# Test that the minimizer stops when it sees a differe bug.
+
+RUN: rm -rf %t && mkdir %t
+RUN: echo H12345678901234667888090 > %t/long_crash
+RUN: env ASAN_OPTIONS=dedup_token_length=3 LLVMFuzzer-TwoDifferentBugsTest -seed=1 -minimize_crash=1 %t/long_crash -exact_artifact_path=%t/result 2>&1 | FileCheck %s
+
+CHECK: DedupToken1: DEDUP_TOKEN: Bar
+CHECK: DedupToken2: DEDUP_TOKEN: Bar
+CHECK: DedupToken1: DEDUP_TOKEN: Bar
+CHECK: DedupToken2: DEDUP_TOKEN: Foo
+CHECK: CRASH_MIN: mismatch in dedup tokens
+
+RUN: not LLVMFuzzer-TwoDifferentBugsTest %t/result 2>&1 | FileCheck %s --check-prefix=VERIFY
+
+VERIFY: ERROR: AddressSanitizer:
+VERIFY: in Bar